3976646629 has 16 divisors (see below), whose sum is σ = 4235183680. Its totient is φ = 3723148800.

The previous prime is 3976646627. The next prime is 3976646659. The reversal of 3976646629 is 9266466793.

It is not a de Polignac number, because 3976646629 - 2¹ = 3976646627 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976646627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935967 + ... + 1938019.

It is an arithmetic number, because the mean of its divisors is an integer number (264698980).

Almost surely, 2^3976646629 is an apocalyptic number.

It is an amenable number.

3976646629 is a deficient number, since it is larger than the sum of its proper divisors (258537051).

3976646629 is a wasteful number, since it uses less digits than its factorization.

3976646629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220.

The product of its digits is 17635968, while the sum is 58.

The square root of 3976646629 is about 63060.6583298969. The cubic root of 3976646629 is about 1584.3057565237.

The spelling of 3976646629 in words is "three billion, nine hundred seventy-six million, six hundred forty-six thousand, six hundred twenty-nine".