457047 has 12 divisors (see below), whose sum is σ = 676104. Its totient is φ = 297360.

The previous prime is 457043. The next prime is 457049. The reversal of 457047 is 740754.

It is not a de Polignac number, because 457047 - 2² = 457043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457043) 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 11 ways as a sum of consecutive naturals, for example, 204 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (56342).

2⁴⁵⁷⁰⁴⁷ is an apocalyptic number.

457047 is a deficient number, since it is larger than the sum of its proper divisors (219057).

457047 is a wasteful number, since it uses less digits than its factorization.

457047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 457047 is about 676.0525127533. The cubic root of 457047 is about 77.0288866712.

The spelling of 457047 in words is "four hundred fifty-seven thousand, forty-seven".