8557938 has 12 divisors (see below), whose sum is σ = 18542238. Its totient is φ = 2852640.

The previous prime is 8557937. The next prime is 8557981. The reversal of 8557938 is 8397558.

8557938 is a `hidden beast` number, since 8 + 557 + 93 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5745609 + 2812329 = 2397^2 + 1677^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8557893 and 8557902.

It is not an unprimeable number, because it can be changed into a prime (8557931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237703 + ... + 237738.

Almost surely, 2^8557938 is an apocalyptic number.

8557938 is an abundant number, since it is smaller than the sum of its proper divisors (9984300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8557938 is a wasteful number, since it uses less digits than its factorization.

8557938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475449 (or 475446 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 8557938 is about 2925.3953578961. The cubic root of 8557938 is about 204.5453975488.

The spelling of 8557938 in words is "eight million, five hundred fifty-seven thousand, nine hundred thirty-eight".