198975633 has 12 divisors (see below), whose sum is σ = 281826000. Its totient is φ = 124846912.

The previous prime is 198975617. The next prime is 198975659. The reversal of 198975633 is 336579891.

It is not a de Polignac number, because 198975633 - 2⁴ = 198975617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (198975613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113883 + ... + 115616.

It is an arithmetic number, because the mean of its divisors is an integer number (23485500).

Almost surely, 2^198975633 is an apocalyptic number.

It is an amenable number.

198975633 is a deficient number, since it is larger than the sum of its proper divisors (82850367).

198975633 is a wasteful number, since it uses less digits than its factorization.

198975633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229536 (or 229519 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 51.

The square root of 198975633 is about 14105.8722878098. The cubic root of 198975633 is about 583.8034157645.

The spelling of 198975633 in words is "one hundred ninety-eight million, nine hundred seventy-five thousand, six hundred thirty-three".