874289 has 8 divisors (see below), whose sum is σ = 951720. Its totient is φ = 798336.

The previous prime is 874277. The next prime is 874301. The reversal of 874289 is 982478.

It is an interprime number because it is at equal distance from previous prime (874277) and next prime (874301).

It can be written as a sum of positive squares in 4 ways, for example, as 64 + 874225 = 8^2 + 935^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-874289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (118965).

2⁸⁷⁴²⁸⁹ is an apocalyptic number.

It is an amenable number.

874289 is a deficient number, since it is larger than the sum of its proper divisors (77431).

874289 is a wasteful number, since it uses less digits than its factorization.

874289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739.

The product of its digits is 32256, while the sum is 38.

The square root of 874289 is about 935.0342239726. The cubic root of 874289 is about 95.6206455647.

The spelling of 874289 in words is "eight hundred seventy-four thousand, two hundred eighty-nine".