457085 has 8 divisors (see below), whose sum is σ = 554040. Its totient is φ = 361984.

The previous prime is 457057. The next prime is 457087. The reversal of 457085 is 580754.

It can be written as a sum of positive squares in 4 ways, for example, as 20164 + 436921 = 142^2 + 661^2 .

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 457085 - 2⁶ = 457021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457087) 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, 161 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (69255).

2⁴⁵⁷⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

457085 is a deficient number, since it is larger than the sum of its proper divisors (96955).

457085 is a wasteful number, since it uses less digits than its factorization.

457085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 457085 is about 676.0806164948. The cubic root of 457085 is about 77.0310214017.

The spelling of 457085 in words is "four hundred fifty-seven thousand, eighty-five".