874439 has 4 divisors (see below), whose sum is σ = 889320. Its totient is φ = 859560.

The previous prime is 874427. The next prime is 874457. The reversal of 874439 is 934478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934478 = 2 ⋅467239.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-874439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 874399 and 874408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7352 + ... + 7469.

It is an arithmetic number, because the mean of its divisors is an integer number (222330).

2⁸⁷⁴⁴³⁹ is an apocalyptic number.

874439 is a deficient number, since it is larger than the sum of its proper divisors (14881).

874439 is a wasteful number, since it uses less digits than its factorization.

874439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880.

The product of its digits is 24192, while the sum is 35.

The square root of 874439 is about 935.1144315002. The cubic root of 874439 is about 95.6261137325.

It can be divided in two parts, 8 and 74439, that added together give a palindrome (74447).

The spelling of 874439 in words is "eight hundred seventy-four thousand, four hundred thirty-nine".