397651124 has 24 divisors (see below), whose sum is σ = 750258600. Its totient is φ = 183325824.

The previous prime is 397651123. The next prime is 397651127. The reversal of 397651124 is 421156793.

It can be written as a sum of positive squares in 4 ways, for example, as 47524 + 397603600 = 218^2 + 19940^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397651123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48902 + ... + 56450.

It is an arithmetic number, because the mean of its divisors is an integer number (31260775).

Almost surely, 2^397651124 is an apocalyptic number.

It is an amenable number.

397651124 is a deficient number, since it is larger than the sum of its proper divisors (352607476).

397651124 is a wasteful number, since it uses less digits than its factorization.

397651124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579 (or 8577 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 397651124 is about 19941.1916394181. The cubic root of 397651124 is about 735.3612452863.

The spelling of 397651124 in words is "three hundred ninety-seven million, six hundred fifty-one thousand, one hundred twenty-four".