3197921404 has 24 divisors (see below), whose sum is σ = 5666911488. Its totient is φ = 1578927360.

The previous prime is 3197921387. The next prime is 3197921423. The reversal of 3197921404 is 4041297913.

It is a super-2 number, since 2×3197921404² = 20453402612322662432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89392 + ... + 119944.

It is an arithmetic number, because the mean of its divisors is an integer number (236121312).

Almost surely, 2^3197921404 is an apocalyptic number.

It is an amenable number.

3197921404 is a deficient number, since it is larger than the sum of its proper divisors (2468990084).

3197921404 is a wasteful number, since it uses less digits than its factorization.

3197921404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30885 (or 30883 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3197921404 is about 56550.1671438732. The cubic root of 3197921404 is about 1473.2934631326.

The spelling of 3197921404 in words is "three billion, one hundred ninety-seven million, nine hundred twenty-one thousand, four hundred four".