457378389 has 36 divisors (see below), whose sum is σ = 724205664. Its totient is φ = 277995744.

The previous prime is 457378373. The next prime is 457378477. The reversal of 457378389 is 983873754.

457378389 is a `hidden beast` number, since 457 + 37 + 83 + 89 = 666.

It is not a de Polignac number, because 457378389 - 2⁴ = 457378373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457378589) 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 35 ways as a sum of consecutive naturals, for example, 124432 + ... + 128054.

It is an arithmetic number, because the mean of its divisors is an integer number (20116824).

Almost surely, 2^457378389 is an apocalyptic number.

It is an amenable number.

457378389 is a deficient number, since it is larger than the sum of its proper divisors (266827275).

457378389 is a wasteful number, since it uses less digits than its factorization.

457378389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738 (or 3722 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 457378389 is about 21386.4066406678. The cubic root of 457378389 is about 770.4749916891.

The spelling of 457378389 in words is "four hundred fifty-seven million, three hundred seventy-eight thousand, three hundred eighty-nine".