3386691861 has 16 divisors (see below), whose sum is σ = 5187698688. Its totient is φ = 1925118000.

The previous prime is 3386691859. The next prime is 3386691871. The reversal of 3386691861 is 1681966833.

3386691861 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 3386691861 - 2¹ = 3386691859 is a prime.

It is a super-2 number, since 2×3386691861² = 22939363522727286642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3386691811) 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, 418165 + ... + 426186.

It is an arithmetic number, because the mean of its divisors is an integer number (324231168).

Almost surely, 2^3386691861 is an apocalyptic number.

It is an amenable number.

3386691861 is a deficient number, since it is larger than the sum of its proper divisors (1801006827).

3386691861 is a wasteful number, since it uses less digits than its factorization.

3386691861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844552.

The product of its digits is 1119744, while the sum is 51.

The square root of 3386691861 is about 58195.2907115344. The cubic root of 3386691861 is about 1501.7301312190.

The spelling of 3386691861 in words is "three billion, three hundred eighty-six million, six hundred ninety-one thousand, eight hundred sixty-one".