457217 has 8 divisors (see below), whose sum is σ = 484224. Its totient is φ = 430848.

The previous prime is 457213. The next prime is 457229. The reversal of 457217 is 712754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 457217 - 2² = 457213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457213) 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, 2273 + ... + 2465.

It is an arithmetic number, because the mean of its divisors is an integer number (60528).

2⁴⁵⁷²¹⁷ is an apocalyptic number.

It is an amenable number.

457217 is a deficient number, since it is larger than the sum of its proper divisors (27007).

457217 is a wasteful number, since it uses less digits than its factorization.

457217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319.

The product of its digits is 1960, while the sum is 26.

The square root of 457217 is about 676.1782309421. The cubic root of 457217 is about 77.0384358623.

The spelling of 457217 in words is "four hundred fifty-seven thousand, two hundred seventeen".