928910645 has 16 divisors (see below), whose sum is σ = 1201195632. Its totient is φ = 685532160.

The previous prime is 928910603. The next prime is 928910659. The reversal of 928910645 is 546019829.

It can be written as a sum of positive squares in 8 ways, for example, as 10699441 + 918211204 = 3271^2 + 30302^2 .

It is not a de Polignac number, because 928910645 - 2⁶ = 928910581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 928910596 and 928910605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129965 + ... + 136925.

It is an arithmetic number, because the mean of its divisors is an integer number (75074727).

Almost surely, 2^928910645 is an apocalyptic number.

It is an amenable number.

928910645 is a deficient number, since it is larger than the sum of its proper divisors (272284987).

928910645 is a wasteful number, since it uses less digits than its factorization.

928910645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 928910645 is about 30478.0354517807. The cubic root of 928910645 is about 975.7187406910.

The spelling of 928910645 in words is "nine hundred twenty-eight million, nine hundred ten thousand, six hundred forty-five".