198456934 has 16 divisors (see below), whose sum is σ = 321522768. Its totient is φ = 91327392.

The previous prime is 198456913. The next prime is 198456977. The reversal of 198456934 is 439654891.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1977 + ... + 20020.

It is an arithmetic number, because the mean of its divisors is an integer number (20095173).

Almost surely, 2^198456934 is an apocalyptic number.

198456934 is a deficient number, since it is larger than the sum of its proper divisors (123065834).

198456934 is a wasteful number, since it uses less digits than its factorization.

198456934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22359.

The product of its digits is 933120, while the sum is 49.

The square root of 198456934 is about 14087.4743655490. The cubic root of 198456934 is about 583.2956789481.

The spelling of 198456934 in words is "one hundred ninety-eight million, four hundred fifty-six thousand, nine hundred thirty-four".