16924189 has 2 divisors, whose sum is σ = 16924190. Its totient is φ = 16924188.

The previous prime is 16924169. The next prime is 16924211. The reversal of 16924189 is 98142961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14175225 + 2748964 = 3765^2 + 1658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16924189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16924169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8462094 + 8462095.

It is an arithmetic number, because the mean of its divisors is an integer number (8462095).

Almost surely, 2^16924189 is an apocalyptic number.

It is an amenable number.

16924189 is a deficient number, since it is larger than the sum of its proper divisors (1).

16924189 is an equidigital number, since it uses as much as digits as its factorization.

16924189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 40.

The square root of 16924189 is about 4113.9019191031. The cubic root of 16924189 is about 256.7453710024.

The spelling of 16924189 in words is "sixteen million, nine hundred twenty-four thousand, one hundred eighty-nine".