3198938089 has 4 divisors (see below), whose sum is σ = 3201647940. Its totient is φ = 3196228240.

The previous prime is 3198938033. The next prime is 3198938107. The reversal of 3198938089 is 9808398913.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3003916864 + 195021225 = 54808^2 + 13965^2 .

It is a cyclic number.

It is not a de Polignac number, because 3198938089 - 2²⁵ = 3165383657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3198978089) 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, 1353154 + ... + 1355515.

It is an arithmetic number, because the mean of its divisors is an integer number (800411985).

Almost surely, 2^3198938089 is an apocalyptic number.

It is an amenable number.

3198938089 is a deficient number, since it is larger than the sum of its proper divisors (2709851).

3198938089 is a wasteful number, since it uses less digits than its factorization.

3198938089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709850.

The product of its (nonzero) digits is 3359232, while the sum is 58.

The square root of 3198938089 is about 56559.1556602466. The cubic root of 3198938089 is about 1473.4495766897.

The spelling of 3198938089 in words is "three billion, one hundred ninety-eight million, nine hundred thirty-eight thousand, eighty-nine".