397396452 has 24 divisors (see below), whose sum is σ = 929257056. Its totient is φ = 132179968.

The previous prime is 397396429. The next prime is 397396453. The reversal of 397396452 is 254693793.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (397396453) 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, 29853 + ... + 41060.

It is an arithmetic number, because the mean of its divisors is an integer number (38719044).

Almost surely, 2^397396452 is an apocalyptic number.

It is an amenable number.

397396452 is an abundant number, since it is smaller than the sum of its proper divisors (531860604).

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

397396452 is a wasteful number, since it uses less digits than its factorization.

397396452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71387 (or 71385 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 48.

The square root of 397396452 is about 19934.8050404312. The cubic root of 397396452 is about 735.2042266489.

The spelling of 397396452 in words is "three hundred ninety-seven million, three hundred ninety-six thousand, four hundred fifty-two".