3857522238 has 32 divisors (see below), whose sum is σ = 8610739200. Its totient is φ = 1280070648.

The previous prime is 3857522219. The next prime is 3857522297. The reversal of 3857522238 is 8322257583.

3857522238 is a `hidden beast` number, since 38 + 575 + 22 + 23 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3857522193 and 3857522202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148128 + ... + 172211.

It is an arithmetic number, because the mean of its divisors is an integer number (269085600).

Almost surely, 2^3857522238 is an apocalyptic number.

3857522238 is an abundant number, since it is smaller than the sum of its proper divisors (4753216962).

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

3857522238 is a wasteful number, since it uses less digits than its factorization.

3857522238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320573 (or 320567 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 3857522238 is about 62108.9545717846. The cubic root of 3857522238 is about 1568.3252914657.

The spelling of 3857522238 in words is "three billion, eight hundred fifty-seven million, five hundred twenty-two thousand, two hundred thirty-eight".