198469375 has 30 divisors (see below), whose sum is σ = 268695240. Its totient is φ = 146484000.

The previous prime is 198469357. The next prime is 198469379. The reversal of 198469375 is 573964891.

It is a happy number.

It is not a de Polignac number, because 198469375 - 2²³ = 190080767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198469379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 104686 + ... + 106564.

It is an arithmetic number, because the mean of its divisors is an integer number (8956508).

Almost surely, 2^198469375 is an apocalyptic number.

198469375 is a deficient number, since it is larger than the sum of its proper divisors (70225865).

198469375 is an equidigital number, since it uses as much as digits as its factorization.

198469375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925 (or 1897 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 198469375 is about 14087.9159211006. The cubic root of 198469375 is about 583.3078673690.

The spelling of 198469375 in words is "one hundred ninety-eight million, four hundred sixty-nine thousand, three hundred seventy-five".