9423904 has 24 divisors (see below), whose sum is σ = 21204288. Its totient is φ = 4038720.

The previous prime is 9423871. The next prime is 9423929. The reversal of 9423904 is 4093249.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20812 + ... + 21259.

It is an arithmetic number, because the mean of its divisors is an integer number (883512).

Almost surely, 2^9423904 is an apocalyptic number.

It is an amenable number.

9423904 is an abundant number, since it is smaller than the sum of its proper divisors (11780384).

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

9423904 is a wasteful number, since it uses less digits than its factorization.

9423904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42088 (or 42080 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 9423904 is about 3069.8377807304. The cubic root of 9423904 is about 211.2241727000.

The spelling of 9423904 in words is "nine million, four hundred twenty-three thousand, nine hundred four".