8423004 has 24 divisors (see below), whose sum is σ = 20688640. Its totient is φ = 2659824.

The previous prime is 8422993. The next prime is 8423027. The reversal of 8423004 is 4003248.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18244 + ... + 18699.

Almost surely, 2^8423004 is an apocalyptic number.

It is an amenable number.

8423004 is an abundant number, since it is smaller than the sum of its proper divisors (12265636).

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

8423004 is a wasteful number, since it uses less digits than its factorization.

8423004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36969 (or 36967 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 8423004 is about 2902.2412029327. The cubic root of 8423004 is about 203.4646671608.

The spelling of 8423004 in words is "eight million, four hundred twenty-three thousand, four".