198372375 has 64 divisors (see below), whose sum is σ = 374025600. Its totient is φ = 103708800.

The previous prime is 198372359. The next prime is 198372403. The reversal of 198372375 is 573273891.

It is a happy number.

It is not a de Polignac number, because 198372375 - 2⁴ = 198372359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 198372375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 178321 + ... + 179429.

It is an arithmetic number, because the mean of its divisors is an integer number (5844150).

Almost surely, 2^198372375 is an apocalyptic number.

198372375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198372375 is a deficient number, since it is larger than the sum of its proper divisors (175653225).

198372375 is a wasteful number, since it uses less digits than its factorization.

198372375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1170 counting only the distinct ones).

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

The square root of 198372375 is about 14084.4728335852. The cubic root of 198372375 is about 583.2128231782.

The spelling of 198372375 in words is "one hundred ninety-eight million, three hundred seventy-two thousand, three hundred seventy-five".