1898843248 has 40 divisors (see below), whose sum is σ = 3854435840. Its totient is φ = 905065920.

The previous prime is 1898843239. The next prime is 1898843257. The reversal of 1898843248 is 8423488981.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1898843239) and next prime (1898843257).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4663 + ... + 61801.

It is an arithmetic number, because the mean of its divisors is an integer number (96360896).

Almost surely, 2^1898843248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1898843248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927217920).

1898843248 is an abundant number, since it is smaller than the sum of its proper divisors (1955592592).

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

1898843248 is a wasteful number, since it uses less digits than its factorization.

1898843248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57245 (or 57239 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 55.

The square root of 1898843248 is about 43575.7185597667. The cubic root of 1898843248 is about 1238.3109260683.

The spelling of 1898843248 in words is "one billion, eight hundred ninety-eight million, eight hundred forty-three thousand, two hundred forty-eight".