879381 has 12 divisors (see below), whose sum is σ = 1279200. Its totient is φ = 582120.

The previous prime is 879371. The next prime is 879391. The reversal of 879381 is 183978.

It is an interprime number because it is at equal distance from previous prime (879371) and next prime (879391).

It is not a de Polignac number, because 879381 - 2⁹ = 878869 is a prime.

It is a super-2 number, since 2×879381² = 1546621886322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879331) 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 11 ways as a sum of consecutive naturals, for example, 1546 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (106600).

2⁸⁷⁹³⁸¹ is an apocalyptic number.

It is an amenable number.

879381 is a deficient number, since it is larger than the sum of its proper divisors (399819).

879381 is a wasteful number, since it uses less digits than its factorization.

879381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 693 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 879381 is about 937.7531658171. The cubic root of 879381 is about 95.8059230157.

The spelling of 879381 in words is "eight hundred seventy-nine thousand, three hundred eighty-one".