879140 has 24 divisors (see below), whose sum is σ = 1867320. Its totient is φ = 347648.

The previous prime is 879133. The next prime is 879143. The reversal of 879140 is 41978.

It can be written as a sum of positive squares in 4 ways, for example, as 17956 + 861184 = 134^2 + 928^2 .

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 879140.

It is not an unprimeable number, because it can be changed into a prime (879143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066 + ... + 2454.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

2⁸⁷⁹¹⁴⁰ is an apocalyptic number.

It is an amenable number.

879140 is an abundant number, since it is smaller than the sum of its proper divisors (988180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

879140 is a wasteful number, since it uses less digits than its factorization.

879140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 879140 is about 937.6246583788. The cubic root of 879140 is about 95.7971701403.

The spelling of 879140 in words is "eight hundred seventy-nine thousand, one hundred forty".