457348321 has 4 divisors (see below), whose sum is σ = 459087552. Its totient is φ = 455609092.

The previous prime is 457348319. The next prime is 457348349. The reversal of 457348321 is 123843754.

It is a happy number.

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 457348321 - 2¹ = 457348319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457348361) 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 3 ways as a sum of consecutive naturals, for example, 869221 + ... + 869746.

It is an arithmetic number, because the mean of its divisors is an integer number (114771888).

Almost surely, 2^457348321 is an apocalyptic number.

It is an amenable number.

457348321 is a deficient number, since it is larger than the sum of its proper divisors (1739231).

457348321 is a wasteful number, since it uses less digits than its factorization.

457348321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739230.

The product of its digits is 80640, while the sum is 37.

The square root of 457348321 is about 21385.7036592206. The cubic root of 457348321 is about 770.4581076748.

The spelling of 457348321 in words is "four hundred fifty-seven million, three hundred forty-eight thousand, three hundred twenty-one".