16814938 has 24 divisors (see below), whose sum is σ = 31069332. Its totient is φ = 6781824.

The previous prime is 16814933. The next prime is 16814947. The reversal of 16814938 is 83941861.

It can be written as a sum of positive squares in 2 ways, for example, as 16426809 + 388129 = 4053^2 + 623^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16814938.

It is not an unprimeable number, because it can be changed into a prime (16814933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3381 + ... + 6712.

Almost surely, 2^16814938 is an apocalyptic number.

16814938 is a deficient number, since it is larger than the sum of its proper divisors (14254394).

16814938 is a wasteful number, since it uses less digits than its factorization.

16814938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126 (or 10119 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 16814938 is about 4100.6021509042. The cubic root of 16814938 is about 256.1917203969.

The spelling of 16814938 in words is "sixteen million, eight hundred fourteen thousand, nine hundred thirty-eight".