928381444 has 12 divisors (see below), whose sum is σ = 1628422684. Its totient is φ = 463117824.

The previous prime is 928381429. The next prime is 928381451. The reversal of 928381444 is 444183829.

It can be written as a sum of positive squares in 2 ways, for example, as 365268544 + 563112900 = 19112^2 + 23730^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 928381444.

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, 266277 + ... + 269740.

Almost surely, 2^928381444 is an apocalyptic number.

It is an amenable number.

928381444 is a deficient number, since it is larger than the sum of its proper divisors (700041240).

928381444 is a wasteful number, since it uses less digits than its factorization.

928381444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536454 (or 536452 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 928381444 is about 30469.3525366064. The cubic root of 928381444 is about 975.5334162926.

The spelling of 928381444 in words is "nine hundred twenty-eight million, three hundred eighty-one thousand, four hundred forty-four".