3389727861 has 12 divisors (see below), whose sum is σ = 5272910188. Its totient is φ = 2085986304.

The previous prime is 3389727827. The next prime is 3389727893. The reversal of 3389727861 is 1687279833.

It can be written as a sum of positive squares in 2 ways, for example, as 577440900 + 2812286961 = 24030^2 + 53031^2 .

It is not a de Polignac number, because 3389727861 - 2²¹ = 3387630709 is a prime.

It is a super-2 number, since 2×3389727861² = 22980509943279270642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3389727798 and 3389727807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3389727161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14485900 + ... + 14486133.

Almost surely, 2^3389727861 is an apocalyptic number.

It is an amenable number.

3389727861 is a deficient number, since it is larger than the sum of its proper divisors (1883182327).

3389727861 is a wasteful number, since it uses less digits than its factorization.

3389727861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28972052 (or 28972049 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 3389727861 is about 58221.3694531484. The cubic root of 3389727861 is about 1502.1787391981.

The spelling of 3389727861 in words is "three billion, three hundred eighty-nine million, seven hundred twenty-seven thousand, eight hundred sixty-one".