1898843202 has 16 divisors (see below), whose sum is σ = 4219651680. Its totient is φ = 632947716.

The previous prime is 1898843201. The next prime is 1898843231. The reversal of 1898843202 is 2023488981.

It is a super-2 number, since 2×1898843202² = 7211211011563225608, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1898843201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17581828 + ... + 17581935.

It is an arithmetic number, because the mean of its divisors is an integer number (263728230).

Almost surely, 2^1898843202 is an apocalyptic number.

1898843202 is an abundant number, since it is smaller than the sum of its proper divisors (2320808478).

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

1898843202 is a wasteful number, since it uses less digits than its factorization.

1898843202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35163774 (or 35163768 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1898843202 is about 43575.7180319499. The cubic root of 1898843202 is about 1238.3109160688.

The spelling of 1898843202 in words is "one billion, eight hundred ninety-eight million, eight hundred forty-three thousand, two hundred two".