457389 has 6 divisors (see below), whose sum is σ = 660686. Its totient is φ = 304920.

The previous prime is 457381. The next prime is 457393. The reversal of 457389 is 983754.

457389 is a `hidden beast` number, since 4 + 573 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 455625 + 1764 = 675^2 + 42^2 .

It is not a de Polignac number, because 457389 - 2³ = 457381 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 (457381) 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 5 ways as a sum of consecutive naturals, for example, 25402 + ... + 25419.

2⁴⁵⁷³⁸⁹ is an apocalyptic number.

It is an amenable number.

457389 is a deficient number, since it is larger than the sum of its proper divisors (203297).

457389 is a wasteful number, since it uses less digits than its factorization.

457389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50827 (or 50824 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 457389 is about 676.3054043847. The cubic root of 457389 is about 77.0480949883.

The spelling of 457389 in words is "four hundred fifty-seven thousand, three hundred eighty-nine".