879740 has 12 divisors (see below), whose sum is σ = 1847496. Its totient is φ = 351888.

The previous prime is 879721. The next prime is 879743. The reversal of 879740 is 47978.

It is a self number, because there is not a number n which added to its sum of digits gives 879740.

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 879740.

It is not an unprimeable number, because it can be changed into a prime (879743) 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, 21974 + ... + 22013.

It is an arithmetic number, because the mean of its divisors is an integer number (153958).

2⁸⁷⁹⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

879740 is an abundant number, since it is smaller than the sum of its proper divisors (967756).

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

879740 is a wasteful number, since it uses less digits than its factorization.

879740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43996 (or 43994 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 879740 is about 937.9445612615. The cubic root of 879740 is about 95.8189585665.

The spelling of 879740 in words is "eight hundred seventy-nine thousand, seven hundred forty".