3927682649 has 8 divisors (see below), whose sum is σ = 4285602048. Its totient is φ = 3569906160.

The previous prime is 3927682639. The next prime is 3927682663. The reversal of 3927682649 is 9462867293.

3927682649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3927682649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3927682594 and 3927682603.

It is not an unprimeable number, because it can be changed into a prime (3927682639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26459 + ... + 92495.

It is an arithmetic number, because the mean of its divisors is an integer number (535700256).

Almost surely, 2^3927682649 is an apocalyptic number.

It is an amenable number.

3927682649 is a deficient number, since it is larger than the sum of its proper divisors (357919399).

3927682649 is a wasteful number, since it uses less digits than its factorization.

3927682649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71455.

The product of its digits is 7838208, while the sum is 56.

The square root of 3927682649 is about 62671.2266434925. The cubic root of 3927682649 is about 1577.7764279418.

The spelling of 3927682649 in words is "three billion, nine hundred twenty-seven million, six hundred eighty-two thousand, six hundred forty-nine".