872394 has 8 divisors (see below), whose sum is σ = 1744800. Its totient is φ = 290796.

The previous prime is 872393. The next prime is 872411. The reversal of 872394 is 493278.

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

872394 is an admirable number.

It is a super-2 number, since 2×872394² = 1522142582472, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 872394.

It is not an unprimeable number, because it can be changed into a prime (872393) 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, 72694 + ... + 72705.

It is an arithmetic number, because the mean of its divisors is an integer number (218100).

2⁸⁷²³⁹⁴ is an apocalyptic number.

872394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872394 is a wasteful number, since it uses less digits than its factorization.

872394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145404.

The product of its digits is 12096, while the sum is 33.

The square root of 872394 is about 934.0203423909. The cubic root of 872394 is about 95.5515104551.

The spelling of 872394 in words is "eight hundred seventy-two thousand, three hundred ninety-four".