397039104 has 320 divisors, whose sum is σ = 1469191680. Its totient is φ = 102850560.

The previous prime is 397039073. The next prime is 397039163. The reversal of 397039104 is 401930793.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1064262 + ... + 1064634.

It is an arithmetic number, because the mean of its divisors is an integer number (4591224).

Almost surely, 2^397039104 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 397039104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734595840).

397039104 is an abundant number, since it is smaller than the sum of its proper divisors (1072152576).

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

397039104 is a wasteful number, since it uses less digits than its factorization.

397039104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 397039104 is about 19925.8401077596. The cubic root of 397039104 is about 734.9837897300.

Adding to 397039104 its reverse (401930793), we get a palindrome (798969897).

The spelling of 397039104 in words is "three hundred ninety-seven million, thirty-nine thousand, one hundred four".