198272937 has 4 divisors (see below), whose sum is σ = 264363920. Its totient is φ = 132181956.

The previous prime is 198272929. The next prime is 198272951. The reversal of 198272937 is 739272891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 198272937 - 2³ = 198272929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198272917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33045487 + ... + 33045492.

It is an arithmetic number, because the mean of its divisors is an integer number (66090980).

Almost surely, 2^198272937 is an apocalyptic number.

It is an amenable number.

198272937 is a deficient number, since it is larger than the sum of its proper divisors (66090983).

198272937 is an equidigital number, since it uses as much as digits as its factorization.

198272937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66090982.

The product of its digits is 381024, while the sum is 48.

The square root of 198272937 is about 14080.9423335230. The cubic root of 198272937 is about 583.1153579784.

The spelling of 198272937 in words is "one hundred ninety-eight million, two hundred seventy-two thousand, nine hundred thirty-seven".