16940836 has 24 divisors (see below), whose sum is σ = 32447520. Its totient is φ = 7675200.

The previous prime is 16940827. The next prime is 16940863. The reversal of 16940836 is 63804961.

It is a junction number, because it is equal to n+sod(n) for n = 16940795 and 16940804.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 22555 + ... + 23293.

It is an arithmetic number, because the mean of its divisors is an integer number (1351980).

Almost surely, 2^16940836 is an apocalyptic number.

It is an amenable number.

16940836 is a deficient number, since it is larger than the sum of its proper divisors (15506684).

16940836 is a wasteful number, since it uses less digits than its factorization.

16940836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 16940836 is about 4115.9246834703. The cubic root of 16940836 is about 256.8295235253.

The spelling of 16940836 in words is "sixteen million, nine hundred forty thousand, eight hundred thirty-six".