198932074 has 16 divisors (see below), whose sum is σ = 327872160. Its totient is φ = 89771760.

The previous prime is 198932047. The next prime is 198932077. The reversal of 198932074 is 470239891.

It is a self number, because there is not a number n which added to its sum of digits gives 198932074.

It is not an unprimeable number, because it can be changed into a prime (198932077) 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, 29469 + ... + 35584.

It is an arithmetic number, because the mean of its divisors is an integer number (20492010).

Almost surely, 2^198932074 is an apocalyptic number.

198932074 is a deficient number, since it is larger than the sum of its proper divisors (128940086).

198932074 is a wasteful number, since it uses less digits than its factorization.

198932074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65205.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 198932074 is about 14104.3282009460. The cubic root of 198932074 is about 583.7608113033.

The spelling of 198932074 in words is "one hundred ninety-eight million, nine hundred thirty-two thousand, seventy-four".