8904427 has 12 divisors (see below), whose sum is σ = 10809936. Its totient is φ = 7299600.

The previous prime is 8904403. The next prime is 8904431. The reversal of 8904427 is 7244098.

It is a happy number.

It is not a de Polignac number, because 8904427 - 2⁷ = 8904299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8904392 and 8904401.

It is not an unprimeable number, because it can be changed into a prime (8904437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2824 + ... + 5077.

It is an arithmetic number, because the mean of its divisors is an integer number (900828).

Almost surely, 2^8904427 is an apocalyptic number.

8904427 is a deficient number, since it is larger than the sum of its proper divisors (1905509).

8904427 is a wasteful number, since it uses less digits than its factorization.

8904427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938 (or 7931 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 8904427 is about 2984.0286526775. The cubic root of 8904427 is about 207.2694647782.

The spelling of 8904427 in words is "eight million, nine hundred four thousand, four hundred twenty-seven".