16946920 has 32 divisors (see below), whose sum is σ = 38257920. Its totient is φ = 6756160.

The previous prime is 16946911. The next prime is 16946921. The reversal of 16946920 is 2964961.

It is a self number, because there is not a number n which added to its sum of digits gives 16946920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16946921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16749 + ... + 17731.

It is an arithmetic number, because the mean of its divisors is an integer number (1195560).

Almost surely, 2^16946920 is an apocalyptic number.

16946920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16946920 is an abundant number, since it is smaller than the sum of its proper divisors (21311000).

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

16946920 is a wasteful number, since it uses less digits than its factorization.

16946920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 16946920 is about 4116.6636977047. The cubic root of 16946920 is about 256.8602650976.

It can be divided in two parts, 169 and 46920, that added together give a square (47089 = 217²).

The spelling of 16946920 in words is "sixteen million, nine hundred forty-six thousand, nine hundred twenty".