894428564 has 12 divisors (see below), whose sum is σ = 1568365344. Its totient is φ = 446324184.

The previous prime is 894428539. The next prime is 894428573. The reversal of 894428564 is 465824498.

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 3 ways as a sum of consecutive naturals, for example, 220262 + ... + 224285.

It is an arithmetic number, because the mean of its divisors is an integer number (130697112).

Almost surely, 2^894428564 is an apocalyptic number.

It is an amenable number.

894428564 is a deficient number, since it is larger than the sum of its proper divisors (673936780).

894428564 is a wasteful number, since it uses less digits than its factorization.

894428564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445054 (or 445052 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 894428564 is about 29906.9985789280. The cubic root of 894428564 is about 963.4929770052.

The spelling of 894428564 in words is "eight hundred ninety-four million, four hundred twenty-eight thousand, five hundred sixty-four".