874581 has 8 divisors (see below), whose sum is σ = 1170624. Its totient is φ = 580800.

The previous prime is 874567. The next prime is 874583. The reversal of 874581 is 185478.

It is a happy number.

874581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 874581 - 2¹¹ = 872533 is a prime.

It is a super-2 number, since 2×874581² = 1529783851122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (146328).

2⁸⁷⁴⁵⁸¹ is an apocalyptic number.

It is an amenable number.

874581 is a deficient number, since it is larger than the sum of its proper divisors (296043).

874581 is a wasteful number, since it uses less digits than its factorization.

874581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

The product of its digits is 8960, while the sum is 33.

The square root of 874581 is about 935.1903549545. The cubic root of 874581 is about 95.6312896884.

The spelling of 874581 in words is "eight hundred seventy-four thousand, five hundred eighty-one".