397125184 has 63 divisors (see below), whose sum is σ = 820647457. Its totient is φ = 190671104.

The previous prime is 397125173. The next prime is 397125187. The reversal of 397125184 is 481521793.

The square root of 397125184 is 19928.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 286286400 + 110838784 = 16920^2 + 10528^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397125187) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7492902 + ... + 7492954.

Almost surely, 2^397125184 is an apocalyptic number.

397125184 is the 19928-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397125184

397125184 is an abundant number, since it is smaller than the sum of its proper divisors (423522273).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397125184 is an frugal number, since it uses more digits than its factorization.

397125184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 102 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The cubic root of 397125184 is about 735.0369019065.

The spelling of 397125184 in words is "three hundred ninety-seven million, one hundred twenty-five thousand, one hundred eighty-four".