198124892 has 24 divisors (see below), whose sum is σ = 397135200. Its totient is φ = 84720960.

The previous prime is 198124841. The next prime is 198124939. The reversal of 198124892 is 298421891.

It is a super-3 number, since 3×198124892³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 5234 + ... + 20582.

It is an arithmetic number, because the mean of its divisors is an integer number (16547300).

Almost surely, 2^198124892 is an apocalyptic number.

It is an amenable number.

198124892 is an abundant number, since it is smaller than the sum of its proper divisors (199010308).

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

198124892 is a wasteful number, since it uses less digits than its factorization.

198124892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15821 (or 15819 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 198124892 is about 14075.6844238566. The cubic root of 198124892 is about 582.9701897245.

The spelling of 198124892 in words is "one hundred ninety-eight million, one hundred twenty-four thousand, eight hundred ninety-two".