3926447836 has 12 divisors (see below), whose sum is σ = 6872484528. Its totient is φ = 1962880832.

The previous prime is 3926447803. The next prime is 3926447839. The reversal of 3926447836 is 6387446293.

It is a happy number.

3926447836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3926447839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59101 + ... + 106516.

It is an arithmetic number, because the mean of its divisors is an integer number (572707044).

Almost surely, 2^3926447836 is an apocalyptic number.

It is an amenable number.

3926447836 is a deficient number, since it is larger than the sum of its proper divisors (2946036692).

3926447836 is a wasteful number, since it uses less digits than its factorization.

3926447836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171548 (or 171546 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 52.

The square root of 3926447836 is about 62661.3743545416. The cubic root of 3926447836 is about 1577.6110663937.

The spelling of 3926447836 in words is "three billion, nine hundred twenty-six million, four hundred forty-seven thousand, eight hundred thirty-six".