3999326002 has 24 divisors (see below), whose sum is σ = 7003123056. Its totient is φ = 1707928488.

The previous prime is 3999325969. The next prime is 3999326003. The reversal of 3999326002 is 2006239993.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3999326002.

It is not an unprimeable number, because it can be changed into a prime (3999326003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44368 + ... + 99835.

It is an arithmetic number, because the mean of its divisors is an integer number (291796794).

Almost surely, 2^3999326002 is an apocalyptic number.

3999326002 is a deficient number, since it is larger than the sum of its proper divisors (3003797054).

3999326002 is a wasteful number, since it uses less digits than its factorization.

3999326002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144502 (or 144495 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 3999326002 is about 63240.2245568436. The cubic root of 3999326002 is about 1587.3118881988.

The spelling of 3999326002 in words is "three billion, nine hundred ninety-nine million, three hundred twenty-six thousand, two".