3841965939 has 16 divisors (see below), whose sum is σ = 5897161728. Its totient is φ = 2179382592.

The previous prime is 3841965937. The next prime is 3841965947. The reversal of 3841965939 is 9395691483.

It is not a de Polignac number, because 3841965939 - 2¹ = 3841965937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3841965937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664827 + ... + 670580.

It is an arithmetic number, because the mean of its divisors is an integer number (368572608).

Almost surely, 2^3841965939 is an apocalyptic number.

3841965939 is a deficient number, since it is larger than the sum of its proper divisors (2055195789).

3841965939 is a wasteful number, since it uses less digits than its factorization.

3841965939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335554.

The product of its digits is 6298560, while the sum is 57.

The square root of 3841965939 is about 61983.5941116680. The cubic root of 3841965939 is about 1566.2142466733.

The spelling of 3841965939 in words is "three billion, eight hundred forty-one million, nine hundred sixty-five thousand, nine hundred thirty-nine".