3198091 has 16 divisors (see below), whose sum is σ = 3780000. Its totient is φ = 2677248.

The previous prime is 3198067. The next prime is 3198101. The reversal of 3198091 is 1908913.

It is a cyclic number.

It is not a de Polignac number, because 3198091 - 2¹³ = 3189899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3198011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6160 + ... + 6658.

It is an arithmetic number, because the mean of its divisors is an integer number (236250).

Almost surely, 2^3198091 is an apocalyptic number.

3198091 is a deficient number, since it is larger than the sum of its proper divisors (581909).

3198091 is a wasteful number, since it uses less digits than its factorization.

3198091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 3198091 is about 1788.3207206762. The cubic root of 3198091 is about 147.3319507160.

The spelling of 3198091 in words is "three million, one hundred ninety-eight thousand, ninety-one".