3198591 has 12 divisors (see below), whose sum is σ = 5040360. Its totient is φ = 1938480.

The previous prime is 3198581. The next prime is 3198599. The reversal of 3198591 is 1958913.

It is a happy number.

It is not a de Polignac number, because 3198591 - 2⁷ = 3198463 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16056 + ... + 16253.

It is an arithmetic number, because the mean of its divisors is an integer number (420030).

Almost surely, 2^3198591 is an apocalyptic number.

3198591 is a deficient number, since it is larger than the sum of its proper divisors (1841769).

3198591 is a wasteful number, since it uses less digits than its factorization.

3198591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32326 (or 32323 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 3198591 is about 1788.4605111660. The cubic root of 3198591 is about 147.3396284355.

The spelling of 3198591 in words is "three million, one hundred ninety-eight thousand, five hundred ninety-one".