879631 has 8 divisors (see below), whose sum is σ = 948240. Its totient is φ = 812928.

The previous prime is 879629. The next prime is 879649. The reversal of 879631 is 136978.

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

It is a cyclic number.

It is not a de Polignac number, because 879631 - 2¹ = 879629 is a prime.

It is a super-2 number, since 2×879631² = 1547501392322, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 565 + ... + 1441.

It is an arithmetic number, because the mean of its divisors is an integer number (118530).

2⁸⁷⁹⁶³¹ is an apocalyptic number.

879631 is a deficient number, since it is larger than the sum of its proper divisors (68609).

879631 is a wasteful number, since it uses less digits than its factorization.

879631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953.

The product of its digits is 9072, while the sum is 34.

The square root of 879631 is about 937.8864536819. The cubic root of 879631 is about 95.8150010723.

The spelling of 879631 in words is "eight hundred seventy-nine thousand, six hundred thirty-one".