874656 has 36 divisors (see below), whose sum is σ = 2488122. Its totient is φ = 291456.

The previous prime is 874651. The next prime is 874661. The reversal of 874656 is 656478.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (874651) and next prime (874661).

It can be written as a sum of positive squares in only one way, i.e., 608400 + 266256 = 780^2 + 516^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 874656.

It is not an unprimeable number, because it can be changed into a prime (874651) by changing a digit.

874656 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1231 + ... + 1806.

2⁸⁷⁴⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

874656 is an abundant number, since it is smaller than the sum of its proper divisors (1613466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

874656 is a wasteful number, since it uses less digits than its factorization.

874656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053 (or 3042 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 874656 is about 935.2304528831. The cubic root of 874656 is about 95.6340232418.

The spelling of 874656 in words is "eight hundred seventy-four thousand, six hundred fifty-six".