3269395872 has 168 divisors, whose sum is σ = 9704987460. Its totient is φ = 1083663360.

The previous prime is 3269395861. The next prime is 3269395937. The reversal of 3269395872 is 2785939623.

It is a happy number.

3269395872 is a `hidden beast` number, since 3 + 26 + 9 + 39 + 587 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2834923536 + 434472336 = 53244^2 + 20844^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6274972 + ... + 6275492.

Almost surely, 2^3269395872 is an apocalyptic number.

3269395872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3269395872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4852493730).

3269395872 is an abundant number, since it is smaller than the sum of its proper divisors (6435591588).

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

3269395872 is an equidigital number, since it uses as much as digits as its factorization.

3269395872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 795 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 3269395872 is about 57178.6312532925. The cubic root of 3269395872 is about 1484.1888683218.

The spelling of 3269395872 in words is "three billion, two hundred sixty-nine million, three hundred ninety-five thousand, eight hundred seventy-two".