3236884728 has 384 divisors, whose sum is σ = 11169446400. Its totient is φ = 769843200.

The previous prime is 3236884723. The next prime is 3236884733. The reversal of 3236884728 is 8274886323.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3236884723) and next prime (3236884733).

It is a super-3 number, since 3×3236884728³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3236884723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9016213 + ... + 9016571.

It is an arithmetic number, because the mean of its divisors is an integer number (29087100).

Almost surely, 2^3236884728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3236884728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5584723200).

3236884728 is an abundant number, since it is smaller than the sum of its proper divisors (7932561672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3236884728 is a wasteful number, since it uses less digits than its factorization.

3236884728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 440 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The square root of 3236884728 is about 56893.6264268679. The cubic root of 3236884728 is about 1479.2528381092.

The spelling of 3236884728 in words is "three billion, two hundred thirty-six million, eight hundred eighty-four thousand, seven hundred twenty-eight".