397393324 has 6 divisors (see below), whose sum is σ = 695438324. Its totient is φ = 198696660.

The previous prime is 397393313. The next prime is 397393327. The reversal of 397393324 is 423393793.

It is not an unprimeable number, because it can be changed into a prime (397393327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49674162 + ... + 49674169.

Almost surely, 2^397393324 is an apocalyptic number.

It is an amenable number.

397393324 is a deficient number, since it is larger than the sum of its proper divisors (298045000).

397393324 is a wasteful number, since it uses less digits than its factorization.

397393324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99348335 (or 99348333 counting only the distinct ones).

The product of its digits is 367416, while the sum is 43.

The square root of 397393324 is about 19934.7265845308. The cubic root of 397393324 is about 735.2022976559.

The spelling of 397393324 in words is "three hundred ninety-seven million, three hundred ninety-three thousand, three hundred twenty-four".