397020588 has 24 divisors (see below), whose sum is σ = 927006192. Its totient is φ = 132250944.

The previous prime is 397020581. The next prime is 397020593. The reversal of 397020588 is 885020793.

It is not an unprimeable number, because it can be changed into a prime (397020581) 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, 8806 + ... + 29522.

It is an arithmetic number, because the mean of its divisors is an integer number (38625258).

Almost surely, 2^397020588 is an apocalyptic number.

It is an amenable number.

397020588 is an abundant number, since it is smaller than the sum of its proper divisors (529985604).

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

397020588 is a wasteful number, since it uses less digits than its factorization.

397020588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22321 (or 22319 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 397020588 is about 19925.3754795236. The cubic root of 397020588 is about 734.9723641791.

The spelling of 397020588 in words is "three hundred ninety-seven million, twenty thousand, five hundred eighty-eight".