198953074 has 36 divisors (see below), whose sum is σ = 329461722. Its totient is φ = 89793280.

The previous prime is 198953039. The next prime is 198953077. The reversal of 198953074 is 470359891.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 94770225 + 104182849 = 9735^2 + 10207^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198953077) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3372057 + ... + 3372115.

Almost surely, 2^198953074 is an apocalyptic number.

198953074 is a deficient number, since it is larger than the sum of its proper divisors (130508648).

198953074 is an equidigital number, since it uses as much as digits as its factorization.

198953074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 198953074 is about 14105.0726336308. The cubic root of 198953074 is about 583.7813518920.

The spelling of 198953074 in words is "one hundred ninety-eight million, nine hundred fifty-three thousand, seventy-four".