397028044 has 24 divisors (see below), whose sum is σ = 794616480. Its totient is φ = 170034816.

The previous prime is 397028041. The next prime is 397028053. The reversal of 397028044 is 440820793.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 397027994 and 397028012.

It is not an unprimeable number, because it can be changed into a prime (397028041) 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, 43704 + ... + 52000.

It is an arithmetic number, because the mean of its divisors is an integer number (33109020).

Almost surely, 2^397028044 is an apocalyptic number.

It is an amenable number.

397028044 is an abundant number, since it is smaller than the sum of its proper divisors (397588436).

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

397028044 is a wasteful number, since it uses less digits than its factorization.

397028044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017 (or 10015 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 397028044 is about 19925.5625767505. The cubic root of 397028044 is about 734.9769650485.

The spelling of 397028044 in words is "three hundred ninety-seven million, twenty-eight thousand, forty-four".