557898338 has 8 divisors (see below), whose sum is σ = 839092188. Its totient is φ = 278200944.

The previous prime is 557898337. The next prime is 557898343. The reversal of 557898338 is 833898755.

It can be written as a sum of positive squares in 2 ways, for example, as 536061409 + 21836929 = 23153^2 + 4673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×557898338² = 622501111086324488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557898337) 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 3 ways as a sum of consecutive naturals, for example, 373181 + ... + 374672.

Almost surely, 2^557898338 is an apocalyptic number.

557898338 is a deficient number, since it is larger than the sum of its proper divisors (281193850).

557898338 is a wasteful number, since it uses less digits than its factorization.

557898338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748228.

The product of its digits is 7257600, while the sum is 56.

The square root of 557898338 is about 23619.8716761967. The cubic root of 557898338 is about 823.2246305737.

The spelling of 557898338 in words is "five hundred fifty-seven million, eight hundred ninety-eight thousand, three hundred thirty-eight".