1857982252 has 12 divisors (see below), whose sum is σ = 3715964560. Its totient is φ = 796278096.

The previous prime is 1857982229. The next prime is 1857982337. The reversal of 1857982252 is 2522897581.

1857982252 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1857982196 and 1857982205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33178227 + ... + 33178282.

Almost surely, 2^1857982252 is an apocalyptic number.

It is an amenable number.

1857982252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1857982252 is a wasteful number, since it uses less digits than its factorization.

1857982252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66356520 (or 66356518 counting only the distinct ones).

The product of its digits is 806400, while the sum is 49.

The square root of 1857982252 is about 43104.3182523515. The cubic root of 1857982252 is about 1229.3640822378.

The spelling of 1857982252 in words is "one billion, eight hundred fifty-seven million, nine hundred eighty-two thousand, two hundred fifty-two".