198526920 has 64 divisors (see below), whose sum is σ = 610122240. Its totient is φ = 51648000.

The previous prime is 198526907. The next prime is 198526967. The reversal of 198526920 is 29625891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15256 + ... + 25095.

It is an arithmetic number, because the mean of its divisors is an integer number (9533160).

Almost surely, 2^198526920 is an apocalyptic number.

198526920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198526920 is an abundant number, since it is smaller than the sum of its proper divisors (411595320).

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

198526920 is a wasteful number, since it uses less digits than its factorization.

198526920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40406 (or 40402 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 198526920 is about 14089.9581262685. The cubic root of 198526920 is about 583.3642374557.

The spelling of 198526920 in words is "one hundred ninety-eight million, five hundred twenty-six thousand, nine hundred twenty".