874566 has 48 divisors (see below), whose sum is σ = 2366208. Its totient is φ = 226800.

The previous prime is 874547. The next prime is 874567. The reversal of 874566 is 665478.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 874566.

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 1071 + ... + 1701.

It is an arithmetic number, because the mean of its divisors is an integer number (49296).

2⁸⁷⁴⁵⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 874566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183104).

874566 is an abundant number, since it is smaller than the sum of its proper divisors (1491642).

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

874566 is a wasteful number, since it uses less digits than its factorization.

874566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 654 counting only the distinct ones).

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

The square root of 874566 is about 935.1823351625. The cubic root of 874566 is about 95.6307429589.

The spelling of 874566 in words is "eight hundred seventy-four thousand, five hundred sixty-six".