457949 has 4 divisors (see below), whose sum is σ = 470364. Its totient is φ = 445536.

The previous prime is 457943. The next prime is 457979. The reversal of 457949 is 949754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 225625 = 482^2 + 475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457949 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 (457943) 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, 6152 + ... + 6225.

It is an arithmetic number, because the mean of its divisors is an integer number (117591).

2⁴⁵⁷⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

457949 is a deficient number, since it is larger than the sum of its proper divisors (12415).

457949 is a wasteful number, since it uses less digits than its factorization.

457949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414.

The product of its digits is 45360, while the sum is 38.

The square root of 457949 is about 676.7192918781. The cubic root of 457949 is about 77.0795265387.

The spelling of 457949 in words is "four hundred fifty-seven thousand, nine hundred forty-nine".