198096431 has 8 divisors (see below), whose sum is σ = 213632160. Its totient is φ = 182603232.

The previous prime is 198096397. The next prime is 198096439. The reversal of 198096431 is 134690891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198096431 is a prime.

It is a super-2 number, since 2×198096431² = 78484391949875522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198096439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596 + ... + 19913.

It is an arithmetic number, because the mean of its divisors is an integer number (26704020).

Almost surely, 2^198096431 is an apocalyptic number.

198096431 is a deficient number, since it is larger than the sum of its proper divisors (15535729).

198096431 is a wasteful number, since it uses less digits than its factorization.

198096431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21265.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 198096431 is about 14074.6733887504. The cubic root of 198096431 is about 582.9422734794.

The spelling of 198096431 in words is "one hundred ninety-eight million, ninety-six thousand, four hundred thirty-one".