16426904 has 16 divisors (see below), whose sum is σ = 33169920. Its totient is φ = 7581600.

The previous prime is 16426901. The next prime is 16426919. The reversal of 16426904 is 40962461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426901) 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, 78872 + ... + 79079.

It is an arithmetic number, because the mean of its divisors is an integer number (2073120).

Almost surely, 2^16426904 is an apocalyptic number.

It is an amenable number.

16426904 is an abundant number, since it is smaller than the sum of its proper divisors (16743016).

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

16426904 is a wasteful number, since it uses less digits than its factorization.

16426904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157970 (or 157966 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 16426904 is about 4053.0117196968. The cubic root of 16426904 is about 254.2056738245.

The spelling of 16426904 in words is "sixteen million, four hundred twenty-six thousand, nine hundred four".