198489692 has 24 divisors (see below), whose sum is σ = 357729792. Its totient is φ = 96307200.

The previous prime is 198489679. The next prime is 198489703. The reversal of 198489692 is 296984891.

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, 28517 + ... + 34787.

It is an arithmetic number, because the mean of its divisors is an integer number (14905408).

Almost surely, 2^198489692 is an apocalyptic number.

It is an amenable number.

198489692 is a deficient number, since it is larger than the sum of its proper divisors (159240100).

198489692 is a wasteful number, since it uses less digits than its factorization.

198489692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509 (or 6507 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 56.

The square root of 198489692 is about 14088.6369816246. The cubic root of 198489692 is about 583.3277707950.

The spelling of 198489692 in words is "one hundred ninety-eight million, four hundred eighty-nine thousand, six hundred ninety-two".