9397904 has 20 divisors (see below), whose sum is σ = 18508860. Its totient is φ = 4621440.

The previous prime is 9397901. The next prime is 9397909. The reversal of 9397904 is 4097939.

It can be written as a sum of positive squares in 2 ways, for example, as 5071504 + 4326400 = 2252^2 + 2080^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9397901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839 + ... + 5790.

It is an arithmetic number, because the mean of its divisors is an integer number (925443).

Almost surely, 2^9397904 is an apocalyptic number.

It is an amenable number.

9397904 is a deficient number, since it is larger than the sum of its proper divisors (9110956).

9397904 is a wasteful number, since it uses less digits than its factorization.

9397904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9698 (or 9692 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 9397904 is about 3065.6001043841. The cubic root of 9397904 is about 211.0297420695.

It can be divided in two parts, 9397 and 904, that added together give a palindrome (10301).

The spelling of 9397904 in words is "nine million, three hundred ninety-seven thousand, nine hundred four".