198926920 has 32 divisors (see below), whose sum is σ = 450603000. Its totient is φ = 79034368.

The previous prime is 198926909. The next prime is 198926939. The reversal of 198926920 is 29629891.

198926920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 142706916 + 56220004 = 11946^2 + 7498^2 .

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, 10729 + ... + 22648.

Almost surely, 2^198926920 is an apocalyptic number.

198926920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198926920 is an abundant number, since it is smaller than the sum of its proper divisors (251676080).

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

198926920 is a wasteful number, since it uses less digits than its factorization.

198926920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33537 (or 33533 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 198926920 is about 14104.1454898906. The cubic root of 198926920 is about 583.7557698351.

The spelling of 198926920 in words is "one hundred ninety-eight million, nine hundred twenty-six thousand, nine hundred twenty".