16928140 has 12 divisors (see below), whose sum is σ = 35549136. Its totient is φ = 6771248.

The previous prime is 16928059. The next prime is 16928143. The reversal of 16928140 is 4182961.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16928143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423184 + ... + 423223.

It is an arithmetic number, because the mean of its divisors is an integer number (2962428).

Almost surely, 2^16928140 is an apocalyptic number.

16928140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16928140 is an abundant number, since it is smaller than the sum of its proper divisors (18620996).

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

16928140 is a wasteful number, since it uses less digits than its factorization.

16928140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846416 (or 846414 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 16928140 is about 4114.3820921251. The cubic root of 16928140 is about 256.7653487599.

The spelling of 16928140 in words is "sixteen million, nine hundred twenty-eight thousand, one hundred forty".