3992804457 has 8 divisors (see below), whose sum is σ = 5603936160. Its totient is φ = 2521771200.

The previous prime is 3992804447. The next prime is 3992804509. The reversal of 3992804457 is 7544082993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3992804457 - 2¹⁴ = 3992788073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3992804447) 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, 35024544 + ... + 35024657.

It is an arithmetic number, because the mean of its divisors is an integer number (700492020).

Almost surely, 2^3992804457 is an apocalyptic number.

It is an amenable number.

3992804457 is a deficient number, since it is larger than the sum of its proper divisors (1611131703).

3992804457 is a wasteful number, since it uses less digits than its factorization.

3992804457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70049223.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 3992804457 is about 63188.6418353805. The cubic root of 3992804457 is about 1586.4486295960.

The spelling of 3992804457 in words is "three billion, nine hundred ninety-two million, eight hundred four thousand, four hundred fifty-seven".