198849106 has 4 divisors (see below), whose sum is σ = 298273662. Its totient is φ = 99424552.

The previous prime is 198849089. The next prime is 198849113. The reversal of 198849106 is 601948891.

198849106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601948891 = 11321 ⋅53171.

It can be written as a sum of positive squares in only one way, i.e., 172685881 + 26163225 = 13141^2 + 5115^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49712275 + ... + 49712278.

Almost surely, 2^198849106 is an apocalyptic number.

198849106 is the 8919-th centered pentagonal number.

198849106 is a deficient number, since it is larger than the sum of its proper divisors (99424556).

198849106 is an equidigital number, since it uses as much as digits as its factorization.

198849106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99424555.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 198849106 is about 14101.3866694024. The cubic root of 198849106 is about 583.6796442314.

The spelling of 198849106 in words is "one hundred ninety-eight million, eight hundred forty-nine thousand, one hundred six".