928516945 has 4 divisors (see below), whose sum is σ = 1114220340. Its totient is φ = 742813552.

The previous prime is 928516921. The next prime is 928516951. The reversal of 928516945 is 549615829.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549615829 = 7 ⋅78516547.

It can be written as a sum of positive squares in 2 ways, for example, as 289034001 + 639482944 = 17001^2 + 25288^2 .

It is a cyclic number.

It is not a de Polignac number, because 928516945 - 2¹⁵ = 928484177 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92851690 + ... + 92851699.

It is an arithmetic number, because the mean of its divisors is an integer number (278555085).

Almost surely, 2^928516945 is an apocalyptic number.

It is an amenable number.

928516945 is a deficient number, since it is larger than the sum of its proper divisors (185703395).

928516945 is a wasteful number, since it uses less digits than its factorization.

928516945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185703394.

The product of its digits is 777600, while the sum is 49.

The square root of 928516945 is about 30471.5760176595. The cubic root of 928516945 is about 975.5808749903.

The spelling of 928516945 in words is "nine hundred twenty-eight million, five hundred sixteen thousand, nine hundred forty-five".