868457 has 8 divisors (see below), whose sum is σ = 922560. Its totient is φ = 815760.

The previous prime is 868453. The next prime is 868459. The reversal of 868457 is 754868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 868457 - 2² = 868453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 868457.

It is not an unprimeable number, because it can be changed into a prime (868451) 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, 1094 + ... + 1712.

It is an arithmetic number, because the mean of its divisors is an integer number (115320).

2⁸⁶⁸⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

868457 is a deficient number, since it is larger than the sum of its proper divisors (54103).

868457 is a wasteful number, since it uses less digits than its factorization.

868457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703.

The product of its digits is 53760, while the sum is 38.

The square root of 868457 is about 931.9104034187. The cubic root of 868457 is about 95.4075565334.

The spelling of 868457 in words is "eight hundred sixty-eight thousand, four hundred fifty-seven".