398792612 has 12 divisors (see below), whose sum is σ = 699323520. Its totient is φ = 198985896.

The previous prime is 398792599. The next prime is 398792627. The reversal of 398792612 is 216297893.

It is a happy number.

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, 100412 + ... + 104307.

It is an arithmetic number, because the mean of its divisors is an integer number (58276960).

Almost surely, 2^398792612 is an apocalyptic number.

It is an amenable number.

398792612 is a deficient number, since it is larger than the sum of its proper divisors (300530908).

398792612 is a wasteful number, since it uses less digits than its factorization.

398792612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205210 (or 205208 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 398792612 is about 19969.7924876549. The cubic root of 398792612 is about 736.0642099974.

The spelling of 398792612 in words is "three hundred ninety-eight million, seven hundred ninety-two thousand, six hundred twelve".