16880904 has 24 divisors (see below), whose sum is σ = 45719310. Its totient is φ = 5626944.

The previous prime is 16880893. The next prime is 16880923. The reversal of 16880904 is 40908861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16016004 + 864900 = 4002^2 + 930^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117157 + ... + 117300.

Almost surely, 2^16880904 is an apocalyptic number.

It is an amenable number.

16880904 is an abundant number, since it is smaller than the sum of its proper divisors (28838406).

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

16880904 is a wasteful number, since it uses less digits than its factorization.

16880904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234469 (or 234462 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 16880904 is about 4108.6377304406. The cubic root of 16880904 is about 256.5263016929.

The spelling of 16880904 in words is "sixteen million, eight hundred eighty thousand, nine hundred four".