397846862 has 32 divisors (see below), whose sum is σ = 700600320. Its totient is φ = 165885120.

The previous prime is 397846849. The next prime is 397846907. The reversal of 397846862 is 268648793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274223 + ... + 275669.

It is an arithmetic number, because the mean of its divisors is an integer number (21893760).

Almost surely, 2^397846862 is an apocalyptic number.

397846862 is a deficient number, since it is larger than the sum of its proper divisors (302753458).

397846862 is a wasteful number, since it uses less digits than its factorization.

397846862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976.

The product of its digits is 3483648, while the sum is 53.

The square root of 397846862 is about 19946.0989168308. The cubic root of 397846862 is about 735.4818824647.

The spelling of 397846862 in words is "three hundred ninety-seven million, eight hundred forty-six thousand, eight hundred sixty-two".