928616445 has 24 divisors (see below), whose sum is σ = 1639975896. Its totient is φ = 485916288.

The previous prime is 928616419. The next prime is 928616461. The reversal of 928616445 is 544616829.

928616445 is a `hidden beast` number, since 9 + 28 + 616 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 207532836 + 721083609 = 14406^2 + 26853^2 .

It is not a de Polignac number, because 928616445 - 2⁸ = 928616189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 928616445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192294 + ... + 197063.

It is an arithmetic number, because the mean of its divisors is an integer number (68332329).

Almost surely, 2^928616445 is an apocalyptic number.

It is an amenable number.

928616445 is a deficient number, since it is larger than the sum of its proper divisors (711359451).

928616445 is a wasteful number, since it uses less digits than its factorization.

928616445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389421 (or 389418 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 928616445 is about 30473.2086430031. The cubic root of 928616445 is about 975.6157215379.

The spelling of 928616445 in words is "nine hundred twenty-eight million, six hundred sixteen thousand, four hundred forty-five".