3945823018 has 8 divisors (see below), whose sum is σ = 6056379648. Its totient is φ = 1927029804.

The previous prime is 3945822977. The next prime is 3945823031. The reversal of 3945823018 is 8103285493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22940746 + ... + 22940917.

It is an arithmetic number, because the mean of its divisors is an integer number (757047456).

Almost surely, 2^3945823018 is an apocalyptic number.

3945823018 is a deficient number, since it is larger than the sum of its proper divisors (2110556630).

3945823018 is a wasteful number, since it uses less digits than its factorization.

3945823018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45881708.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 3945823018 is about 62815.7863757193. The cubic root of 3945823018 is about 1580.2017338421.

The spelling of 3945823018 in words is "three billion, nine hundred forty-five million, eight hundred twenty-three thousand, eighteen".