868740 has 24 divisors (see below), whose sum is σ = 2432640. Its totient is φ = 231648.

The previous prime is 868739. The next prime is 868741. The reversal of 868740 is 47868.

It is an interprime number because it is at equal distance from previous prime (868739) and next prime (868741).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868740.

It is not an unprimeable number, because it can be changed into a prime (868741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7180 + ... + 7299.

It is an arithmetic number, because the mean of its divisors is an integer number (101360).

2⁸⁶⁸⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

868740 is an abundant number, since it is smaller than the sum of its proper divisors (1563900).

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

868740 is a wasteful number, since it uses less digits than its factorization.

868740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14491 (or 14489 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 868740 is about 932.0622296821. The cubic root of 868740 is about 95.4179187452.

The spelling of 868740 in words is "eight hundred sixty-eight thousand, seven hundred forty".