3982678618 has 16 divisors (see below), whose sum is σ = 5995003464. Its totient is φ = 1984357440.

The previous prime is 3982678613. The next prime is 3982678633. The reversal of 3982678618 is 8168762893.

It can be written as a sum of positive squares in 4 ways, for example, as 3969378009 + 13300609 = 63003^2 + 3647^2 .

It is not an unprimeable number, because it can be changed into a prime (3982678613) 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, 729796 + ... + 735232.

Almost surely, 2^3982678618 is an apocalyptic number.

3982678618 is a deficient number, since it is larger than the sum of its proper divisors (2012324846).

3982678618 is a wasteful number, since it uses less digits than its factorization.

3982678618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657.

The product of its digits is 6967296, while the sum is 58.

The square root of 3982678618 is about 63108.4670864378. The cubic root of 3982678618 is about 1585.1064049017.

The spelling of 3982678618 in words is "three billion, nine hundred eighty-two million, six hundred seventy-eight thousand, six hundred eighteen".