3944799518 has 32 divisors (see below), whose sum is σ = 6513212160. Its totient is φ = 1777023360.

The previous prime is 3944799503. The next prime is 3944799541. The reversal of 3944799518 is 8159974493.

It is a super-2 number, since 2×3944799518² = 31122886474426064648, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1391030 + ... + 1393862.

It is an arithmetic number, because the mean of its divisors is an integer number (203537880).

Almost surely, 2^3944799518 is an apocalyptic number.

3944799518 is a deficient number, since it is larger than the sum of its proper divisors (2568412642).

3944799518 is a wasteful number, since it uses less digits than its factorization.

3944799518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392.

The product of its digits is 9797760, while the sum is 59.

The square root of 3944799518 is about 62807.6390099166. The cubic root of 3944799518 is about 1580.0650934567.

The spelling of 3944799518 in words is "three billion, nine hundred forty-four million, seven hundred ninety-nine thousand, five hundred eighteen".