874789 has 4 divisors (see below), whose sum is σ = 903040. Its totient is φ = 846540.

The previous prime is 874777. The next prime is 874799. The reversal of 874789 is 987478.

874789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 874789 - 2⁷ = 874661 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14079 + ... + 14140.

It is an arithmetic number, because the mean of its divisors is an integer number (225760).

2⁸⁷⁴⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

874789 is a deficient number, since it is larger than the sum of its proper divisors (28251).

874789 is a wasteful number, since it uses less digits than its factorization.

874789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28250.

The product of its digits is 112896, while the sum is 43.

The square root of 874789 is about 935.3015556493. The cubic root of 874789 is about 95.6388703590.

It can be divided in two parts, 8747 and 89, that added together give a square (8836 = 94²).

The spelling of 874789 in words is "eight hundred seventy-four thousand, seven hundred eighty-nine".