3944488999 has 8 divisors (see below), whose sum is σ = 4304475648. Its totient is φ = 3584735160.

The previous prime is 3944488973. The next prime is 3944489023. The reversal of 3944488999 is 9998844493.

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

It is a cyclic number.

It is not a de Polignac number, because 3944488999 - 2⁵ = 3944488967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944488199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21777 + ... + 91450.

It is an arithmetic number, because the mean of its divisors is an integer number (538059456).

Almost surely, 2^3944488999 is an apocalyptic number.

3944488999 is a deficient number, since it is larger than the sum of its proper divisors (359986649).

3944488999 is a wasteful number, since it uses less digits than its factorization.

3944488999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116405.

The product of its digits is 80621568, while the sum is 67.

The square root of 3944488999 is about 62805.1669769295. The cubic root of 3944488999 is about 1580.0236335460.

The spelling of 3944488999 in words is "three billion, nine hundred forty-four million, four hundred eighty-eight thousand, nine hundred ninety-nine".