198958262 has 4 divisors (see below), whose sum is σ = 298437396. Its totient is φ = 99479130.

The previous prime is 198958223. The next prime is 198958267. The reversal of 198958262 is 262859891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 262859891 = 7 ⋅37551413.

It is a self number, because there is not a number n which added to its sum of digits gives 198958262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198958267) 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 as a sum of consecutive naturals, namely, 49739564 + ... + 49739567.

It is an arithmetic number, because the mean of its divisors is an integer number (74609349).

Almost surely, 2^198958262 is an apocalyptic number.

198958262 is a deficient number, since it is larger than the sum of its proper divisors (99479134).

198958262 is an equidigital number, since it uses as much as digits as its factorization.

198958262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99479133.

The product of its digits is 622080, while the sum is 50.

The square root of 198958262 is about 14105.2565379010. The cubic root of 198958262 is about 583.7864261728.

The spelling of 198958262 in words is "one hundred ninety-eight million, nine hundred fifty-eight thousand, two hundred sixty-two".