198839192 has 32 divisors (see below), whose sum is σ = 380207520. Its totient is φ = 97466880.

The previous prime is 198839143. The next prime is 198839227. The reversal of 198839192 is 291938891.

It is a happy number.

198839192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 198839192.

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, 111008 + ... + 112784.

It is an arithmetic number, because the mean of its divisors is an integer number (11881485).

Almost surely, 2^198839192 is an apocalyptic number.

It is an amenable number.

198839192 is a deficient number, since it is larger than the sum of its proper divisors (181368328).

198839192 is a wasteful number, since it uses less digits than its factorization.

198839192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051 (or 2047 counting only the distinct ones).

The product of its digits is 279936, while the sum is 50.

The square root of 198839192 is about 14101.0351393080. The cubic root of 198839192 is about 583.6699439176.

The spelling of 198839192 in words is "one hundred ninety-eight million, eight hundred thirty-nine thousand, one hundred ninety-two".