397224088 has 16 divisors (see below), whose sum is σ = 753165000. Its totient is φ = 196380096.

The previous prime is 397224077. The next prime is 397224103. The reversal of 397224088 is 880422793.

It is a happy number.

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, 278238 + ... + 279661.

Almost surely, 2^397224088 is an apocalyptic number.

It is an amenable number.

397224088 is a deficient number, since it is larger than the sum of its proper divisors (355940912).

397224088 is a wasteful number, since it uses less digits than its factorization.

397224088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557994 (or 557990 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 397224088 is about 19930.4813790335. The cubic root of 397224088 is about 735.0979171383.

The spelling of 397224088 in words is "three hundred ninety-seven million, two hundred twenty-four thousand, eighty-eight".