198796812 has 24 divisors (see below), whose sum is σ = 470215536. Its totient is φ = 65357568.

The previous prime is 198796789. The next prime is 198796813. The reversal of 198796812 is 218697891.

198796812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×198796812² = 79040344922726688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (198796813) 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, 112593 + ... + 114344.

It is an arithmetic number, because the mean of its divisors is an integer number (19592314).

Almost surely, 2^198796812 is an apocalyptic number.

198796812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198796812 is an abundant number, since it is smaller than the sum of its proper divisors (271418724).

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

198796812 is a wasteful number, since it uses less digits than its factorization.

198796812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227017 (or 227015 counting only the distinct ones).

The product of its digits is 435456, while the sum is 51.

The square root of 198796812 is about 14099.5323326698. The cubic root of 198796812 is about 583.6284737400.

The spelling of 198796812 in words is "one hundred ninety-eight million, seven hundred ninety-six thousand, eight hundred twelve".