397193552 has 20 divisors (see below), whose sum is σ = 879500256. Its totient is φ = 170225760.

The previous prime is 397193549. The next prime is 397193603. The reversal of 397193552 is 255391793.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773074 + ... + 1773297.

Almost surely, 2^397193552 is an apocalyptic number.

It is an amenable number.

397193552 is an abundant number, since it is smaller than the sum of its proper divisors (482306704).

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

397193552 is a wasteful number, since it uses less digits than its factorization.

397193552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546386 (or 3546380 counting only the distinct ones).

The product of its digits is 255150, while the sum is 44.

The square root of 397193552 is about 19929.7153015290. The cubic root of 397193552 is about 735.0790801426.

The spelling of 397193552 in words is "three hundred ninety-seven million, one hundred ninety-three thousand, five hundred fifty-two".