868712 has 16 divisors (see below), whose sum is σ = 1754340. Its totient is φ = 400896.

The previous prime is 868697. The next prime is 868727. The reversal of 868712 is 217868.

It is an interprime number because it is at equal distance from previous prime (868697) and next prime (868727).

It can be written as a sum of positive squares in 2 ways, for example, as 857476 + 11236 = 926^2 + 106^2 .

It is an unprimeable number.

868712 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4073 + ... + 4280.

2⁸⁶⁸⁷¹² is an apocalyptic number.

It is an amenable number.

868712 is an abundant number, since it is smaller than the sum of its proper divisors (885628).

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

868712 is a wasteful number, since it uses less digits than its factorization.

868712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8372 (or 8368 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 868712 is about 932.0472091048. The cubic root of 868712 is about 95.4168936090.

The spelling of 868712 in words is "eight hundred sixty-eight thousand, seven hundred twelve".