874564 has 6 divisors (see below), whose sum is σ = 1530494. Its totient is φ = 437280.

The previous prime is 874547. The next prime is 874567. The reversal of 874564 is 465478.

It can be written as a sum of positive squares in only one way, i.e., 462400 + 412164 = 680^2 + 642^2 .

It is a d-powerful number, because it can be written as 8 + 7⁷ + 5 + 4⁴ + 6⁶ + 4⁶ .

It is not an unprimeable number, because it can be changed into a prime (874567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109317 + ... + 109324.

2⁸⁷⁴⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

874564 is a deficient number, since it is larger than the sum of its proper divisors (655930).

874564 is a wasteful number, since it uses less digits than its factorization.

874564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218645 (or 218643 counting only the distinct ones).

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

The square root of 874564 is about 935.1812658517. The cubic root of 874564 is about 95.6306700612.

The spelling of 874564 in words is "eight hundred seventy-four thousand, five hundred sixty-four".