457838689 has 16 divisors (see below), whose sum is σ = 590497920. Its totient is φ = 344453760.

The previous prime is 457838681. The next prime is 457838723. The reversal of 457838689 is 986838754.

It is not a de Polignac number, because 457838689 - 2³ = 457838681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457838681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100284 + ... + 104749.

It is an arithmetic number, because the mean of its divisors is an integer number (36906120).

Almost surely, 2^457838689 is an apocalyptic number.

It is an amenable number.

457838689 is a deficient number, since it is larger than the sum of its proper divisors (132659231).

457838689 is a wasteful number, since it uses less digits than its factorization.

457838689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205080.

The product of its digits is 11612160, while the sum is 58.

The square root of 457838689 is about 21397.1654431142. The cubic root of 457838689 is about 770.7333705587.

The spelling of 457838689 in words is "four hundred fifty-seven million, eight hundred thirty-eight thousand, six hundred eighty-nine".