3393951872 has 32 divisors (see below), whose sum is σ = 6876003600. Its totient is φ = 1668209920.

The previous prime is 3393951871. The next prime is 3393951877. The reversal of 3393951872 is 2781593933.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 3393951872.

It is not an unprimeable number, because it can be changed into a prime (3393951871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217154 + ... + 232257.

Almost surely, 2^3393951872 is an apocalyptic number.

3393951872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3393951872 is an abundant number, since it is smaller than the sum of its proper divisors (3482051728).

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

3393951872 is an equidigital number, since it uses as much as digits as its factorization.

3393951872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449484 (or 449472 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 3393951872 is about 58257.6335942338. The cubic root of 3393951872 is about 1502.8024456789.

The spelling of 3393951872 in words is "three billion, three hundred ninety-three million, nine hundred fifty-one thousand, eight hundred seventy-two".