9421904 has 20 divisors (see below), whose sum is σ = 19049376. Its totient is φ = 4505952.

The previous prime is 9421903. The next prime is 9421921. The reversal of 9421904 is 4091249.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9421903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12434 + ... + 13169.

Almost surely, 2^9421904 is an apocalyptic number.

It is an amenable number.

9421904 is an abundant number, since it is smaller than the sum of its proper divisors (9627472).

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

9421904 is a wasteful number, since it uses less digits than its factorization.

9421904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25634 (or 25628 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 9421904 is about 3069.5120133337. The cubic root of 9421904 is about 211.2092292034.

The spelling of 9421904 in words is "nine million, four hundred twenty-one thousand, nine hundred four".