397412366 has 16 divisors (see below), whose sum is σ = 679737744. Its totient is φ = 172631424.

The previous prime is 397412339. The next prime is 397412371. The reversal of 397412366 is 663214793.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449120 + ... + 450003.

It is an arithmetic number, because the mean of its divisors is an integer number (42483609).

Almost surely, 2^397412366 is an apocalyptic number.

397412366 is a deficient number, since it is larger than the sum of its proper divisors (282325378).

397412366 is a wasteful number, since it uses less digits than its factorization.

397412366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899155.

The product of its digits is 163296, while the sum is 41.

The square root of 397412366 is about 19935.2041875673. The cubic root of 397412366 is about 735.2140404287.

The spelling of 397412366 in words is "three hundred ninety-seven million, four hundred twelve thousand, three hundred sixty-six".