879669 has 12 divisors (see below), whose sum is σ = 1452256. Its totient is φ = 502632.

The previous prime is 879667. The next prime is 879673. The reversal of 879669 is 966978.

It is not a de Polignac number, because 879669 - 2¹ = 879667 is a prime.

It is a super-2 number, since 2×879669² = 1547635099122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879661) 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, 6919 + ... + 7044.

2⁸⁷⁹⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

879669 is a deficient number, since it is larger than the sum of its proper divisors (572587).

879669 is a wasteful number, since it uses less digits than its factorization.

879669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13976 (or 13973 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 879669 is about 937.9067117789. The cubic root of 879669 is about 95.8163807863.

The spelling of 879669 in words is "eight hundred seventy-nine thousand, six hundred sixty-nine".