397433937 has 8 divisors (see below), whose sum is σ = 530807904. Its totient is φ = 264507968.

The previous prime is 397433923. The next prime is 397433969. The reversal of 397433937 is 739334793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397433937 - 2¹⁰ = 397432913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397433917) 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, 109923 + ... + 113480.

It is an arithmetic number, because the mean of its divisors is an integer number (66350988).

Almost surely, 2^397433937 is an apocalyptic number.

It is an amenable number.

397433937 is a deficient number, since it is larger than the sum of its proper divisors (133373967).

397433937 is a wasteful number, since it uses less digits than its factorization.

397433937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223999.

The product of its digits is 1285956, while the sum is 48.

The square root of 397433937 is about 19935.7452080428. The cubic root of 397433937 is about 735.2273423258.

The spelling of 397433937 in words is "three hundred ninety-seven million, four hundred thirty-three thousand, nine hundred thirty-seven".