397303794 has 96 divisors (see below), whose sum is σ = 964379520. Its totient is φ = 117621504.

The previous prime is 397303763. The next prime is 397303811. The reversal of 397303794 is 497303793.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 416422 + ... + 417374.

It is an arithmetic number, because the mean of its divisors is an integer number (10045620).

Almost surely, 2^397303794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397303794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482189760).

397303794 is an abundant number, since it is smaller than the sum of its proper divisors (567075726).

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

397303794 is a wasteful number, since it uses less digits than its factorization.

397303794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 45.

The square root of 397303794 is about 19932.4808792082. The cubic root of 397303794 is about 735.1470814914.

Subtracting 397303794 from its reverse (497303793), we obtain a palindrome (99999999).

The spelling of 397303794 in words is "three hundred ninety-seven million, three hundred three thousand, seven hundred ninety-four".