457849349 has 4 divisors (see below), whose sum is σ = 458031936. Its totient is φ = 457666764.

The previous prime is 457849309. The next prime is 457849363. The reversal of 457849349 is 943948754.

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 457849349 - 2²⁸ = 189413893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 457849349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457849309) 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, 87479 + ... + 92564.

It is an arithmetic number, because the mean of its divisors is an integer number (114507984).

Almost surely, 2^457849349 is an apocalyptic number.

It is an amenable number.

457849349 is a deficient number, since it is larger than the sum of its proper divisors (182587).

457849349 is a wasteful number, since it uses less digits than its factorization.

457849349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182586.

The product of its digits is 4354560, while the sum is 53.

The square root of 457849349 is about 21397.4145400794. The cubic root of 457849349 is about 770.7393522535.

The spelling of 457849349 in words is "four hundred fifty-seven million, eight hundred forty-nine thousand, three hundred forty-nine".