422904 has 32 divisors (see below), whose sum is σ = 1077120. Its totient is φ = 138336.

The previous prime is 422899. The next prime is 422911. The reversal of 422904 is 409224.

It is a zygodrome in base 2.

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, 1477 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (33660).

2⁴²²⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

422904 is an abundant number, since it is smaller than the sum of its proper divisors (654216).

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

422904 is a wasteful number, since it uses less digits than its factorization.

422904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 422904 is about 650.3106949759. The cubic root of 422904 is about 75.0609282677.

It can be divided in two parts, 422 and 904, that added together give a triangular number (1326 = T₅₁).

The spelling of 422904 in words is "four hundred twenty-two thousand, nine hundred four".