1868898212 has 24 divisors (see below), whose sum is σ = 3415788096. Its totient is φ = 893030688.

The previous prime is 1868898211. The next prime is 1868898233. The reversal of 1868898212 is 2128988681.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1868898211) 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, 103223 + ... + 119969.

It is an arithmetic number, because the mean of its divisors is an integer number (142324504).

Almost surely, 2^1868898212 is an apocalyptic number.

It is an amenable number.

1868898212 is a deficient number, since it is larger than the sum of its proper divisors (1546889884).

1868898212 is a wasteful number, since it uses less digits than its factorization.

1868898212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17987 (or 17985 counting only the distinct ones).

The product of its digits is 884736, while the sum is 53.

The square root of 1868898212 is about 43230.7553947418. The cubic root of 1868898212 is about 1231.7669565742.

The spelling of 1868898212 in words is "one billion, eight hundred sixty-eight million, eight hundred ninety-eight thousand, two hundred twelve".