1898868 has 24 divisors (see below), whose sum is σ = 4456480. Its totient is φ = 629280.

The previous prime is 1898867. The next prime is 1898873. The reversal of 1898868 is 8688981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898861) by changing a digit.

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, 2403 + ... + 3093.

2^1898868 is an apocalyptic number.

It is an amenable number.

1898868 is an abundant number, since it is smaller than the sum of its proper divisors (2557612).

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

1898868 is a wasteful number, since it uses less digits than its factorization.

1898868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 925 counting only the distinct ones).

The product of its digits is 221184, while the sum is 48.

The square root of 1898868 is about 1377.9941944725. The cubic root of 1898868 is about 123.8316306632.

The spelling of 1898868 in words is "one million, eight hundred ninety-eight thousand, eight hundred sixty-eight".