457490 has 16 divisors (see below), whose sum is σ = 898560. Its totient is φ = 166320.

The previous prime is 457469. The next prime is 457507. The reversal of 457490 is 94754.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970 + ... + 2189.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2⁴⁵⁷⁴⁹⁰ is an apocalyptic number.

457490 is a deficient number, since it is larger than the sum of its proper divisors (441070).

457490 is a wasteful number, since it uses less digits than its factorization.

457490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 457490 is about 676.3800706703. The cubic root of 457490 is about 77.0537657884.

It can be divided in two parts, 4574 and 90, that added together give a palindrome (4664).

The spelling of 457490 in words is "four hundred fifty-seven thousand, four hundred ninety".