397927082 has 16 divisors (see below), whose sum is σ = 700598400. Its totient is φ = 165930768.

The previous prime is 397927073. The next prime is 397927087. The reversal of 397927082 is 280729793.

It is not an unprimeable number, because it can be changed into a prime (397927087) 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, 383582 + ... + 384617.

It is an arithmetic number, because the mean of its divisors is an integer number (43787400).

Almost surely, 2^397927082 is an apocalyptic number.

397927082 is a deficient number, since it is larger than the sum of its proper divisors (302671318).

397927082 is a wasteful number, since it uses less digits than its factorization.

397927082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768245.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 397927082 is about 19948.1097350100. The cubic root of 397927082 is about 735.5313121969.

The spelling of 397927082 in words is "three hundred ninety-seven million, nine hundred twenty-seven thousand, eighty-two".