874389 has 8 divisors (see below), whose sum is σ = 1170432. Its totient is φ = 580640.

The previous prime is 874387. The next prime is 874397. The reversal of 874389 is 983478.

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

It is a cyclic number.

It is not a de Polignac number, because 874389 - 2¹ = 874387 is a prime.

It is a super-2 number, since 2×874389² = 1529112246642, which contains 22 as substring.

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

874389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874387) 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, 769 + ... + 1529.

It is an arithmetic number, because the mean of its divisors is an integer number (146304).

2⁸⁷⁴³⁸⁹ is an apocalyptic number.

It is an amenable number.

874389 is a deficient number, since it is larger than the sum of its proper divisors (296043).

874389 is a wasteful number, since it uses less digits than its factorization.

874389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147.

The product of its digits is 48384, while the sum is 39.

The square root of 874389 is about 935.0876964221. The cubic root of 874389 is about 95.6242910794.

The spelling of 874389 in words is "eight hundred seventy-four thousand, three hundred eighty-nine".