397083924 has 96 divisors (see below), whose sum is σ = 1059004800. Its totient is φ = 128620800.

The previous prime is 397083919. The next prime is 397083989. The reversal of 397083924 is 429380793.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 397083924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643264 + ... + 643880.

It is an arithmetic number, because the mean of its divisors is an integer number (11031300).

Almost surely, 2^397083924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397083924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529502400).

397083924 is an abundant number, since it is smaller than the sum of its proper divisors (661920876).

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

397083924 is a wasteful number, since it uses less digits than its factorization.

397083924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 397083924 is about 19926.9647462929. The cubic root of 397083924 is about 735.0114450529.

The spelling of 397083924 in words is "three hundred ninety-seven million, eighty-three thousand, nine hundred twenty-four".