1898288 has 40 divisors (see below), whose sum is σ = 4455072. Its totient is φ = 764928.

The previous prime is 1898279. The next prime is 1898297. The reversal of 1898288 is 8828981.

It is an interprime number because it is at equal distance from previous prime (1898279) and next prime (1898297).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 2402.

2^1898288 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 1898288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2227536).

1898288 is an abundant number, since it is smaller than the sum of its proper divisors (2556784).

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

1898288 is a wasteful number, since it uses less digits than its factorization.

1898288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1023 counting only the distinct ones).

The product of its digits is 73728, while the sum is 44.

The square root of 1898288 is about 1377.7837275857. The cubic root of 1898288 is about 123.8190214561.

The spelling of 1898288 in words is "one million, eight hundred ninety-eight thousand, two hundred eighty-eight".