198523192 has 16 divisors (see below), whose sum is σ = 425406960. Its totient is φ = 85081344.

The previous prime is 198523151. The next prime is 198523249. The reversal of 198523192 is 291325891.

It is a super-2 number, since 2×198523192² = 78822915523737728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772473 + ... + 1772584.

It is an arithmetic number, because the mean of its divisors is an integer number (26587935).

Almost surely, 2^198523192 is an apocalyptic number.

It is an amenable number.

198523192 is an abundant number, since it is smaller than the sum of its proper divisors (226883768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198523192 is a wasteful number, since it uses less digits than its factorization.

198523192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545070 (or 3545066 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 198523192 is about 14089.8258328483. The cubic root of 198523192 is about 583.3605859014.

The spelling of 198523192 in words is "one hundred ninety-eight million, five hundred twenty-three thousand, one hundred ninety-two".