3944365287 has 16 divisors (see below), whose sum is σ = 5538293760. Its totient is φ = 2490124032.

The previous prime is 3944365277. The next prime is 3944365333. The reversal of 3944365287 is 7825634493.

It is not a de Polignac number, because 3944365287 - 2¹² = 3944361191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944365207) 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, 134458 + ... + 161144.

It is an arithmetic number, because the mean of its divisors is an integer number (346143360).

Almost surely, 2^3944365287 is an apocalyptic number.

3944365287 is a deficient number, since it is larger than the sum of its proper divisors (1593928473).

3944365287 is a wasteful number, since it uses less digits than its factorization.

3944365287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29302.

The product of its digits is 4354560, while the sum is 51.

The square root of 3944365287 is about 62804.1820820875. The cubic root of 3944365287 is about 1580.0071151471.

The spelling of 3944365287 in words is "three billion, nine hundred forty-four million, three hundred sixty-five thousand, two hundred eighty-seven".