457693 has 4 divisors (see below), whose sum is σ = 459360. Its totient is φ = 456028.

The previous prime is 457687. The next prime is 457697. The reversal of 457693 is 396754.

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, and also an emirpimes, since its reverse is a distinct semiprime: 396754 = 2 ⋅198377.

It is a cyclic number.

It is not a de Polignac number, because 457693 - 2⁵ = 457661 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 313 + ... + 1006.

It is an arithmetic number, because the mean of its divisors is an integer number (114840).

2⁴⁵⁷⁶⁹³ is an apocalyptic number.

It is an amenable number.

457693 is a deficient number, since it is larger than the sum of its proper divisors (1667).

457693 is a wasteful number, since it uses less digits than its factorization.

457693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its digits is 22680, while the sum is 34.

The square root of 457693 is about 676.5301175853. The cubic root of 457693 is about 77.0651610113.

The spelling of 457693 in words is "four hundred fifty-seven thousand, six hundred ninety-three".