868488 has 16 divisors (see below), whose sum is σ = 2171280. Its totient is φ = 289488.

The previous prime is 868487. The next prime is 868489. The reversal of 868488 is 884868.

It is an interprime number because it is at equal distance from previous prime (868487) and next prime (868489).

It is a super-2 number, since 2×868488² = 1508542812288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (868487) 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, 18070 + ... + 18117.

It is an arithmetic number, because the mean of its divisors is an integer number (135705).

2⁸⁶⁸⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

868488 is an abundant number, since it is smaller than the sum of its proper divisors (1302792).

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

868488 is a wasteful number, since it uses less digits than its factorization.

868488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36196 (or 36192 counting only the distinct ones).

The product of its digits is 98304, while the sum is 42.

The square root of 868488 is about 931.9270357705. The cubic root of 868488 is about 95.4086917264.

The spelling of 868488 in words is "eight hundred sixty-eight thousand, four hundred eighty-eight".