198232306 has 4 divisors (see below), whose sum is σ = 297348462. Its totient is φ = 99116152.

The previous prime is 198232283. The next prime is 198232319. The reversal of 198232306 is 603232891.

It is a happy number.

198232306 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.

It can be written as a sum of positive squares in only one way, i.e., 169234081 + 28998225 = 13009^2 + 5385^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49558075 + ... + 49558078.

Almost surely, 2^198232306 is an apocalyptic number.

198232306 is a deficient number, since it is larger than the sum of its proper divisors (99116156).

198232306 is an equidigital number, since it uses as much as digits as its factorization.

198232306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99116155.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 198232306 is about 14079.4994939451. The cubic root of 198232306 is about 583.0755236990.

The spelling of 198232306 in words is "one hundred ninety-eight million, two hundred thirty-two thousand, three hundred six".