397013368 has 8 divisors (see below), whose sum is σ = 744400080. Its totient is φ = 198506680.

The previous prime is 397013333. The next prime is 397013387. The reversal of 397013368 is 863310793.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×397013368² = 315239228741406848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 397013368.

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 as a sum of consecutive naturals, namely, 24813328 + ... + 24813343.

It is an arithmetic number, because the mean of its divisors is an integer number (93050010).

Almost surely, 2^397013368 is an apocalyptic number.

It is an amenable number.

397013368 is a deficient number, since it is larger than the sum of its proper divisors (347386712).

397013368 is a wasteful number, since it uses less digits than its factorization.

397013368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49626677 (or 49626673 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 397013368 is about 19925.1943026913. The cubic root of 397013368 is about 734.9679088832.

The spelling of 397013368 in words is "three hundred ninety-seven million, thirteen thousand, three hundred sixty-eight".