3238721248 has 48 divisors (see below), whose sum is σ = 7435864800. Its totient is φ = 1388018688.

The previous prime is 3238721243. The next prime is 3238721309. The reversal of 3238721248 is 8421278323.

It is a super-3 number, since 3×3238721248³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3238721248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3238721243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136561 + ... + 158512.

It is an arithmetic number, because the mean of its divisors is an integer number (154913850).

Almost surely, 2^3238721248 is an apocalyptic number.

It is an amenable number.

3238721248 is an abundant number, since it is smaller than the sum of its proper divisors (4197143552).

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

3238721248 is an equidigital number, since it uses as much as digits as its factorization.

3238721248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295104 (or 295082 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 3238721248 is about 56909.7640831518. The cubic root of 3238721248 is about 1479.5325477707.

It can be divided in two parts, 32387 and 21248, that added together give a palindrome (53635).

The spelling of 3238721248 in words is "three billion, two hundred thirty-eight million, seven hundred twenty-one thousand, two hundred forty-eight".