457457 has 16 divisors (see below), whose sum is σ = 615552. Its totient is φ = 328320.

The previous prime is 457433. The next prime is 457459. The reversal of 457457 is 754754.

It is a cyclic number.

It is not a de Polignac number, because 457457 - 2⁶ = 457393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773 + ... + 1229.

It is an arithmetic number, because the mean of its divisors is an integer number (38472).

2⁴⁵⁷⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

457457 is a deficient number, since it is larger than the sum of its proper divisors (158095).

457457 is a wasteful number, since it uses less digits than its factorization.

457457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its digits is 19600, while the sum is 32.

The square root of 457457 is about 676.3556756619. The cubic root of 457457 is about 77.0519130445.

The spelling of 457457 in words is "four hundred fifty-seven thousand, four hundred fifty-seven".