16806924 has 18 divisors (see below), whose sum is σ = 42484260. Its totient is φ = 5602296.

The previous prime is 16806901. The next prime is 16806941. The reversal of 16806924 is 42960861.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 466859 = 16806924 / (1 + 6 + 8 + 0 + 6 + 9 + 2 + 4).

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, 233394 + ... + 233465.

Almost surely, 2^16806924 is an apocalyptic number.

It is an amenable number.

16806924 is an abundant number, since it is smaller than the sum of its proper divisors (25677336).

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

16806924 is a wasteful number, since it uses less digits than its factorization.

16806924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466869 (or 466864 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 16806924 is about 4099.6248608867. The cubic root of 16806924 is about 256.1510136019.

The spelling of 16806924 in words is "sixteen million, eight hundred six thousand, nine hundred twenty-four".