928681364 has 18 divisors (see below), whose sum is σ = 1759824990. Its totient is φ = 428621856.

The previous prime is 928681361. The next prime is 928681387. The reversal of 928681364 is 463186829.

It can be written as a sum of positive squares in 3 ways, for example, as 69722500 + 858958864 = 8350^2 + 29308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928681361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 686219 + ... + 687570.

It is an arithmetic number, because the mean of its divisors is an integer number (97768055).

Almost surely, 2^928681364 is an apocalyptic number.

It is an amenable number.

928681364 is a deficient number, since it is larger than the sum of its proper divisors (831143626).

928681364 is a wasteful number, since it uses less digits than its factorization.

928681364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373819 (or 1373804 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 928681364 is about 30474.2738059498. The cubic root of 928681364 is about 975.6384559049.

The spelling of 928681364 in words is "nine hundred twenty-eight million, six hundred eighty-one thousand, three hundred sixty-four".