1898291248 has 80 divisors (see below), whose sum is σ = 4306867200. Its totient is φ = 793698048.

The previous prime is 1898291233. The next prime is 1898291279. The reversal of 1898291248 is 8421928981.

It is a junction number, because it is equal to n+sod(n) for n = 1898291195 and 1898291204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180461 + ... + 1182067.

It is an arithmetic number, because the mean of its divisors is an integer number (53835840).

Almost surely, 2^1898291248 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 1898291248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153433600).

1898291248 is an abundant number, since it is smaller than the sum of its proper divisors (2408575952).

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

1898291248 is a wasteful number, since it uses less digits than its factorization.

1898291248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1868 counting only the distinct ones).

The product of its digits is 663552, while the sum is 52.

The square root of 1898291248 is about 43569.3842967743. The cubic root of 1898291248 is about 1238.1909207476.

The spelling of 1898291248 in words is "one billion, eight hundred ninety-eight million, two hundred ninety-one thousand, two hundred forty-eight".