3198891327 has 4 divisors (see below), whose sum is σ = 4265188440. Its totient is φ = 2132594216.

The previous prime is 3198891307. The next prime is 3198891347. The reversal of 3198891327 is 7231988913.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3198891307) and next prime (3198891347).

It is a cyclic number.

It is not a de Polignac number, because 3198891327 - 2⁶ = 3198891263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3198891327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198891307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533148552 + ... + 533148557.

It is an arithmetic number, because the mean of its divisors is an integer number (1066297110).

Almost surely, 2^3198891327 is an apocalyptic number.

3198891327 is a deficient number, since it is larger than the sum of its proper divisors (1066297113).

3198891327 is a wasteful number, since it uses less digits than its factorization.

3198891327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066297112.

The product of its digits is 653184, while the sum is 51.

The square root of 3198891327 is about 56558.7422685477. The cubic root of 3198891327 is about 1473.4423970379.

The spelling of 3198891327 in words is "three billion, one hundred ninety-eight million, eight hundred ninety-one thousand, three hundred twenty-seven".