397367732 has 6 divisors (see below), whose sum is σ = 695393538. Its totient is φ = 198683864.

The previous prime is 397367731. The next prime is 397367743. The reversal of 397367732 is 237763793.

It can be written as a sum of positive squares in only one way, i.e., 396965776 + 401956 = 19924^2 + 634^2 .

It is a super-2 number, since 2×397367732² = 315802228869647648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397367731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49670963 + ... + 49670970.

It is an arithmetic number, because the mean of its divisors is an integer number (115898923).

Almost surely, 2^397367732 is an apocalyptic number.

It is an amenable number.

397367732 is a deficient number, since it is larger than the sum of its proper divisors (298025806).

397367732 is a wasteful number, since it uses less digits than its factorization.

397367732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99341937 (or 99341935 counting only the distinct ones).

The product of its digits is 1000188, while the sum is 47.

The square root of 397367732 is about 19934.0846792623. The cubic root of 397367732 is about 735.1865150547.

The spelling of 397367732 in words is "three hundred ninety-seven million, three hundred sixty-seven thousand, seven hundred thirty-two".