3949023836 has 12 divisors (see below), whose sum is σ = 6911322600. Its totient is φ = 1974360240.

The previous prime is 3949023833. The next prime is 3949023839. The reversal of 3949023836 is 6383209493.

3949023836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3949023833) and next prime (3949023839).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949023833) 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, 37190 + ... + 96338.

It is an arithmetic number, because the mean of its divisors is an integer number (575943550).

Almost surely, 2^3949023836 is an apocalyptic number.

It is an amenable number.

3949023836 is a deficient number, since it is larger than the sum of its proper divisors (2962298764).

3949023836 is a wasteful number, since it uses less digits than its factorization.

3949023836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75844 (or 75842 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 47.

The square root of 3949023836 is about 62841.2590262162. The cubic root of 3949023836 is about 1580.6289004175.

The spelling of 3949023836 in words is "three billion, nine hundred forty-nine million, twenty-three thousand, eight hundred thirty-six".