3949297792 has 32 divisors (see below), whose sum is σ = 8582994000. Its totient is φ = 1795134720.

The previous prime is 3949297787. The next prime is 3949297831. The reversal of 3949297792 is 2977929493.

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 3949297792.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401042 + ... + 1403857.

Almost surely, 2^3949297792 is an apocalyptic number.

3949297792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3949297792 is an abundant number, since it is smaller than the sum of its proper divisors (4633696208).

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

3949297792 is a wasteful number, since it uses less digits than its factorization.

3949297792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804924 (or 2804912 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 61.

The square root of 3949297792 is about 62843.4387346841. The cubic root of 3949297792 is about 1580.6654506112.

The spelling of 3949297792 in words is "three billion, nine hundred forty-nine million, two hundred ninety-seven thousand, seven hundred ninety-two".