3946403318 has 32 divisors (see below), whose sum is σ = 7019550720. Its totient is φ = 1640345760.

The previous prime is 3946403309. The next prime is 3946403327. The reversal of 3946403318 is 8133046493.

It is an interprime number because it is at equal distance from previous prime (3946403309) and next prime (3946403327).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33878 + ... + 95081.

It is an arithmetic number, because the mean of its divisors is an integer number (219360960).

Almost surely, 2^3946403318 is an apocalyptic number.

3946403318 is a deficient number, since it is larger than the sum of its proper divisors (3073147402).

3946403318 is a wasteful number, since it uses less digits than its factorization.

3946403318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129092.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 3946403318 is about 62820.4052677154. The cubic root of 3946403318 is about 1580.2791951738.

The spelling of 3946403318 in words is "three billion, nine hundred forty-six million, four hundred three thousand, three hundred eighteen".