16940736 has 42 divisors (see below), whose sum is σ = 48559212. Its totient is φ = 5646720.

The previous prime is 16940717. The next prime is 16940741. The reversal of 16940736 is 63704961.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16940736.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14130 + ... + 15281.

Almost surely, 2^16940736 is an apocalyptic number.

16940736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16940736 is an abundant number, since it is smaller than the sum of its proper divisors (31618476).

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

16940736 is a wasteful number, since it uses less digits than its factorization.

16940736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29429 (or 29416 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 16940736 is about 4115.9125355138. The cubic root of 16940736 is about 256.8290181783.

The spelling of 16940736 in words is "sixteen million, nine hundred forty thousand, seven hundred thirty-six".