399570796 has 12 divisors (see below), whose sum is σ = 699787480. Its totient is φ = 199631520.

The previous prime is 399570793. The next prime is 399570797. The reversal of 399570796 is 697075993.

It is not an unprimeable number, because it can be changed into a prime (399570793) 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, 32526 + ... + 43093.

Almost surely, 2^399570796 is an apocalyptic number.

It is an amenable number.

399570796 is a deficient number, since it is larger than the sum of its proper divisors (300216684).

399570796 is a wasteful number, since it uses less digits than its factorization.

399570796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76944 (or 76942 counting only the distinct ones).

The product of its (nonzero) digits is 3214890, while the sum is 55.

The square root of 399570796 is about 19989.2670200786. The cubic root of 399570796 is about 736.5426719046.

The spelling of 399570796 in words is "three hundred ninety-nine million, five hundred seventy thousand, seven hundred ninety-six".