397099532 has 24 divisors (see below), whose sum is σ = 749691936. Its totient is φ = 183342848.

The previous prime is 397099501. The next prime is 397099567. The reversal of 397099532 is 235990793.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51488 + ... + 58695.

It is an arithmetic number, because the mean of its divisors is an integer number (31237164).

Almost surely, 2^397099532 is an apocalyptic number.

It is an amenable number.

397099532 is a deficient number, since it is larger than the sum of its proper divisors (352592404).

397099532 is a wasteful number, since it uses less digits than its factorization.

397099532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110257 (or 110255 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 47.

The square root of 397099532 is about 19927.3563725849. The cubic root of 397099532 is about 735.0210751820.

The spelling of 397099532 in words is "three hundred ninety-seven million, ninety-nine thousand, five hundred thirty-two".