16928445 has 16 divisors (see below), whose sum is σ = 27139392. Its totient is φ = 9010560.

The previous prime is 16928419. The next prime is 16928467. The reversal of 16928445 is 54482961.

It is not a de Polignac number, because 16928445 - 2¹⁵ = 16895677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10674 + ... + 12156.

It is an arithmetic number, because the mean of its divisors is an integer number (1696212).

Almost surely, 2^16928445 is an apocalyptic number.

16928445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16928445 is a deficient number, since it is larger than the sum of its proper divisors (10210947).

16928445 is a wasteful number, since it uses less digits than its factorization.

16928445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its digits is 69120, while the sum is 39.

The square root of 16928445 is about 4114.4191570621. The cubic root of 16928445 is about 256.7668908266.

The spelling of 16928445 in words is "sixteen million, nine hundred twenty-eight thousand, four hundred forty-five".