198752373 has 18 divisors (see below), whose sum is σ = 298123254. Its totient is φ = 132497208.

The previous prime is 198752363. The next prime is 198752383. The reversal of 198752373 is 373257891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (198752363) and next prime (198752383).

It can be written as a sum of positive squares in only one way, i.e., 163788804 + 34963569 = 12798^2 + 5913^2 .

It is not a de Polignac number, because 198752373 - 2⁴ = 198752357 is a prime.

It is a super-2 number, since 2×198752373² = 79005011546262258, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198752303) 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, 8586 + ... + 21707.

It is an arithmetic number, because the mean of its divisors is an integer number (16562403).

Almost surely, 2^198752373 is an apocalyptic number.

It is an amenable number.

198752373 is a deficient number, since it is larger than the sum of its proper divisors (99370881).

198752373 is an frugal number, since it uses more digits than its factorization.

198752373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30317 (or 30296 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 198752373 is about 14097.9563412574. The cubic root of 198752373 is about 583.5849824347.

The spelling of 198752373 in words is "one hundred ninety-eight million, seven hundred fifty-two thousand, three hundred seventy-three".