3818986906 has 16 divisors (see below), whose sum is σ = 6758023680. Its totient is φ = 1583911440.

The previous prime is 3818986891. The next prime is 3818986957. The reversal of 3818986906 is 6096898183.

3818986906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4399321 + ... + 4400188.

It is an arithmetic number, because the mean of its divisors is an integer number (422376480).

Almost surely, 2^3818986906 is an apocalyptic number.

3818986906 is a deficient number, since it is larger than the sum of its proper divisors (2939036774).

3818986906 is a wasteful number, since it uses less digits than its factorization.

3818986906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799549.

The product of its (nonzero) digits is 4478976, while the sum is 58.

The square root of 3818986906 is about 61797.9522799906. The cubic root of 3818986906 is about 1563.0854595036.

The spelling of 3818986906 in words is "three billion, eight hundred eighteen million, nine hundred eighty-six thousand, nine hundred six".