860457 has 8 divisors (see below), whose sum is σ = 1235584. Its totient is φ = 529488.

The previous prime is 860441. The next prime is 860479. The reversal of 860457 is 754068.

It is a happy number.

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

It is not a de Polignac number, because 860457 - 2⁴ = 860441 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860417) 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, 10993 + ... + 11070.

It is an arithmetic number, because the mean of its divisors is an integer number (154448).

2⁸⁶⁰⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

860457 is a deficient number, since it is larger than the sum of its proper divisors (375127).

860457 is a wasteful number, since it uses less digits than its factorization.

860457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22079.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 860457 is about 927.6082147114. The cubic root of 860457 is about 95.1136958231.

The spelling of 860457 in words is "eight hundred sixty thousand, four hundred fifty-seven".