478564 has 12 divisors (see below), whose sum is σ = 843388. Its totient is φ = 237600.

The previous prime is 478531. The next prime is 478571. The reversal of 478564 is 465874.

It can be written as a sum of positive squares in 2 ways, for example, as 153664 + 324900 = 392^2 + 570^2 .

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, 394 + ... + 1054.

2⁴⁷⁸⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

478564 is a deficient number, since it is larger than the sum of its proper divisors (364824).

478564 is a wasteful number, since it uses less digits than its factorization.

478564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 844 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 478564 is about 691.7832030340. The cubic root of 478564 is about 78.2191949706.

The spelling of 478564 in words is "four hundred seventy-eight thousand, five hundred sixty-four".