397013364 has 144 divisors (see below), whose sum is σ = 1144765440. Its totient is φ = 114912000.

The previous prime is 397013333. The next prime is 397013387. The reversal of 397013364 is 463310793.

It is a super-2 number, since 2×397013364² = 315239222389192992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 2078509 + ... + 2078699.

It is an arithmetic number, because the mean of its divisors is an integer number (7949760).

Almost surely, 2^397013364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397013364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572382720).

397013364 is an abundant number, since it is smaller than the sum of its proper divisors (747752076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397013364 is a wasteful number, since it uses less digits than its factorization.

397013364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 397013364 is about 19925.1942023158. The cubic root of 397013364 is about 734.9679064148.

The spelling of 397013364 in words is "three hundred ninety-seven million, thirteen thousand, three hundred sixty-four".