16928285 has 16 divisors (see below), whose sum is σ = 22704192. Its totient is φ = 12009600.

The previous prime is 16928281. The next prime is 16928309. The reversal of 16928285 is 58282961.

It is not a de Polignac number, because 16928285 - 2² = 16928281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16928281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499 + ... + 6008.

It is an arithmetic number, because the mean of its divisors is an integer number (1419012).

Almost surely, 2^16928285 is an apocalyptic number.

It is an amenable number.

16928285 is a deficient number, since it is larger than the sum of its proper divisors (5775907).

16928285 is a wasteful number, since it uses less digits than its factorization.

16928285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7564.

The product of its digits is 69120, while the sum is 41.

The square root of 16928285 is about 4114.3997132024. The cubic root of 16928285 is about 256.7660818759.

The spelling of 16928285 in words is "sixteen million, nine hundred twenty-eight thousand, two hundred eighty-five".