879949 has 4 divisors (see below), whose sum is σ = 1005664. Its totient is φ = 754236.

The previous prime is 879941. The next prime is 879953. The reversal of 879949 is 949978.

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 not a de Polignac number, because 879949 - 2³ = 879941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 879899 and 879908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879941) 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, 62847 + ... + 62860.

It is an arithmetic number, because the mean of its divisors is an integer number (251416).

2⁸⁷⁹⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

879949 is a deficient number, since it is larger than the sum of its proper divisors (125715).

879949 is a wasteful number, since it uses less digits than its factorization.

879949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125714.

The product of its digits is 163296, while the sum is 46.

The square root of 879949 is about 938.0559684795. The cubic root of 879949 is about 95.8265458751.

The spelling of 879949 in words is "eight hundred seventy-nine thousand, nine hundred forty-nine".