198248635 has 16 divisors (see below), whose sum is σ = 257541984. Its totient is φ = 145631232.

The previous prime is 198248621. The next prime is 198248639. The reversal of 198248635 is 536842891.

198248635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 198248635 - 2⁷ = 198248507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198248639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4644 + ... + 20446.

It is an arithmetic number, because the mean of its divisors is an integer number (16096374).

Almost surely, 2^198248635 is an apocalyptic number.

198248635 is a deficient number, since it is larger than the sum of its proper divisors (59293349).

198248635 is a wasteful number, since it uses less digits than its factorization.

198248635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16014.

The product of its digits is 414720, while the sum is 46.

The square root of 198248635 is about 14080.0793676740. The cubic root of 198248635 is about 583.0915331628.

The spelling of 198248635 in words is "one hundred ninety-eight million, two hundred forty-eight thousand, six hundred thirty-five".