198009627 has 8 divisors (see below), whose sum is σ = 264089664. Its totient is φ = 131968008.

The previous prime is 198009619. The next prime is 198009631. The reversal of 198009627 is 726900891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198009627 - 2³ = 198009619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198007627) 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, 6088 + ... + 20810.

It is an arithmetic number, because the mean of its divisors is an integer number (33011208).

Almost surely, 2^198009627 is an apocalyptic number.

198009627 is a deficient number, since it is larger than the sum of its proper divisors (66080037).

198009627 is a wasteful number, since it uses less digits than its factorization.

198009627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19209.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 198009627 is about 14071.5893558617. The cubic root of 198009627 is about 582.8571144254.

The spelling of 198009627 in words is "one hundred ninety-eight million, nine thousand, six hundred twenty-seven".