879213 has 4 divisors (see below), whose sum is σ = 1172288. Its totient is φ = 586140.

The previous prime is 879199. The next prime is 879227. The reversal of 879213 is 312978.

It is a happy number.

879213 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (879199) and next prime (879227).

It is not a de Polignac number, because 879213 - 2⁵ = 879181 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879283) 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, 146533 + ... + 146538.

It is an arithmetic number, because the mean of its divisors is an integer number (293072).

2⁸⁷⁹²¹³ is an apocalyptic number.

It is an amenable number.

879213 is a deficient number, since it is larger than the sum of its proper divisors (293075).

879213 is a wasteful number, since it uses less digits than its factorization.

879213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293074.

The product of its digits is 3024, while the sum is 30.

The square root of 879213 is about 937.6635857278. The cubic root of 879213 is about 95.7998215951.

The spelling of 879213 in words is "eight hundred seventy-nine thousand, two hundred thirteen".