457493 has 4 divisors (see below), whose sum is σ = 477408. Its totient is φ = 437580.

The previous prime is 457469. The next prime is 457507. The reversal of 457493 is 394754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 457493 - 2¹⁴ = 441109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 457493.

It is not an unprimeable number, because it can be changed into a prime (457403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9923 + ... + 9968.

It is an arithmetic number, because the mean of its divisors is an integer number (119352).

2⁴⁵⁷⁴⁹³ is an apocalyptic number.

It is an amenable number.

457493 is a deficient number, since it is larger than the sum of its proper divisors (19915).

457493 is a wasteful number, since it uses less digits than its factorization.

457493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19914.

The product of its digits is 15120, while the sum is 32.

The square root of 457493 is about 676.3822883547. The cubic root of 457493 is about 77.0539342153.

The spelling of 457493 in words is "four hundred fifty-seven thousand, four hundred ninety-three".