198955960 has 32 divisors (see below), whose sum is σ = 511601760. Its totient is φ = 68213376.

The previous prime is 198955943. The next prime is 198955997. The reversal of 198955960 is 69559891.

It is a junction number, because it is equal to n+sod(n) for n = 198955898 and 198955907.

It is a congruent number.

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, 354999 + ... + 355558.

It is an arithmetic number, because the mean of its divisors is an integer number (15987555).

Almost surely, 2^198955960 is an apocalyptic number.

198955960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198955960 is an abundant number, since it is smaller than the sum of its proper divisors (312645800).

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

198955960 is a wasteful number, since it uses less digits than its factorization.

198955960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710575 (or 710571 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 52.

The square root of 198955960 is about 14105.1749368804. The cubic root of 198955960 is about 583.7841746427.

The spelling of 198955960 in words is "one hundred ninety-eight million, nine hundred fifty-five thousand, nine hundred sixty".