397820362 has 16 divisors (see below), whose sum is σ = 615170880. Its totient is φ = 192856032.

The previous prime is 397820341. The next prime is 397820389. The reversal of 397820362 is 263028793.

It is a super-2 number, since 2×397820362² = 316522080843622088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14478 + ... + 31705.

It is an arithmetic number, because the mean of its divisors is an integer number (38448180).

Almost surely, 2^397820362 is an apocalyptic number.

397820362 is a deficient number, since it is larger than the sum of its proper divisors (217350518).

397820362 is a wasteful number, since it uses less digits than its factorization.

397820362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46317.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 397820362 is about 19945.4346154703. The cubic root of 397820362 is about 735.4655523098.

The spelling of 397820362 in words is "three hundred ninety-seven million, eight hundred twenty thousand, three hundred sixty-two".