198605673 has 36 divisors (see below), whose sum is σ = 338465088. Its totient is φ = 111872880.

The previous prime is 198605663. The next prime is 198605683. The reversal of 198605673 is 376506891.

It is a happy number.

198605673 is a `hidden beast` number, since 1 + 9 + 86 + 0 + 567 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (198605663) and next prime (198605683).

It is not a de Polignac number, because 198605673 - 2⁶ = 198605609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198605633) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28140 + ... + 34482.

It is an arithmetic number, because the mean of its divisors is an integer number (9401808).

Almost surely, 2^198605673 is an apocalyptic number.

It is an amenable number.

198605673 is a deficient number, since it is larger than the sum of its proper divisors (139859415).

198605673 is a wasteful number, since it uses less digits than its factorization.

198605673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434 (or 6424 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 198605673 is about 14092.7524990684. The cubic root of 198605673 is about 583.4413648805.

The spelling of 198605673 in words is "one hundred ninety-eight million, six hundred five thousand, six hundred seventy-three".