3198684387 has 16 divisors (see below), whose sum is σ = 4366327680. Its totient is φ = 2081799552.

The previous prime is 3198684367. The next prime is 3198684397. The reversal of 3198684387 is 7834868913.

3198684387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3198684387 - 2⁷ = 3198684259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3198684337) 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, 306664 + ... + 316922.

It is an arithmetic number, because the mean of its divisors is an integer number (272895480).

Almost surely, 2^3198684387 is an apocalyptic number.

3198684387 is a deficient number, since it is larger than the sum of its proper divisors (1167643293).

3198684387 is a wasteful number, since it uses less digits than its factorization.

3198684387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12722.

The product of its digits is 6967296, while the sum is 57.

The square root of 3198684387 is about 56556.9128135545. The cubic root of 3198684387 is about 1473.4106234521.

The spelling of 3198684387 in words is "three billion, one hundred ninety-eight million, six hundred eighty-four thousand, three hundred eighty-seven".