198031672 has 8 divisors (see below), whose sum is σ = 371309400. Its totient is φ = 99015832.

The previous prime is 198031667. The next prime is 198031693. The reversal of 198031672 is 276130891.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12376972 + ... + 12376987.

It is an arithmetic number, because the mean of its divisors is an integer number (46413675).

Almost surely, 2^198031672 is an apocalyptic number.

It is an amenable number.

198031672 is a deficient number, since it is larger than the sum of its proper divisors (173277728).

198031672 is a wasteful number, since it uses less digits than its factorization.

198031672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24753965 (or 24753961 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 198031672 is about 14072.3726499834. The cubic root of 198031672 is about 582.8787440274.

The spelling of 198031672 in words is "one hundred ninety-eight million, thirty-one thousand, six hundred seventy-two".