198191350 has 48 divisors (see below), whose sum is σ = 427124448. Its totient is φ = 67011840.

The previous prime is 198191333. The next prime is 198191359. The reversal of 198191350 is 53191891.

It is a happy number.

198191350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×198191350² = 78559622429645000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198191359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21672 + ... + 29428.

It is an arithmetic number, because the mean of its divisors is an integer number (8898426).

Almost surely, 2^198191350 is an apocalyptic number.

198191350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198191350 is an abundant number, since it is smaller than the sum of its proper divisors (228933098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198191350 is a wasteful number, since it uses less digits than its factorization.

198191350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849 (or 7844 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 37.

The square root of 198191350 is about 14078.0449637015. The cubic root of 198191350 is about 583.0353652834.

The spelling of 198191350 in words is "one hundred ninety-eight million, one hundred ninety-one thousand, three hundred fifty".