457690 has 16 divisors (see below), whose sum is σ = 846792. Its totient is φ = 177984.

The previous prime is 457687. The next prime is 457697. The reversal of 457690 is 96754.

It can be written as a sum of positive squares in 4 ways, for example, as 452929 + 4761 = 673^2 + 69^2 .

It is a super-2 number, since 2×457690² = 418960272200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (457697) 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, 249 + ... + 988.

2⁴⁵⁷⁶⁹⁰ is an apocalyptic number.

457690 is a deficient number, since it is larger than the sum of its proper divisors (389102).

457690 is a wasteful number, since it uses less digits than its factorization.

457690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 457690 is about 676.5279003855. The cubic root of 457690 is about 77.0649926335.

The spelling of 457690 in words is "four hundred fifty-seven thousand, six hundred ninety".