3994884993 has 8 divisors (see below), whose sum is σ = 5810741856. Its totient is φ = 2421142400.

The previous prime is 3994884953. The next prime is 3994884997.

3994884993 is nontrivially palindromic in base 10.

3994884993 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 3994884993 - 2¹⁴ = 3994868609 is a prime.

It is a super-2 number, since 2×3994884993² = 31918212214593220098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3994884997) 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, 60528528 + ... + 60528593.

It is an arithmetic number, because the mean of its divisors is an integer number (726342732).

Almost surely, 2^3994884993 is an apocalyptic number.

3994884993 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3994884993 is a deficient number, since it is larger than the sum of its proper divisors (1815856863).

3994884993 is a wasteful number, since it uses less digits than its factorization.

3994884993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121057135.

The product of its digits is 60466176, while the sum is 66.

The square root of 3994884993 is about 63205.1025867374. The cubic root of 3994884993 is about 1586.7241327245.

The spelling of 3994884993 in words is "three billion, nine hundred ninety-four million, eight hundred eighty-four thousand, nine hundred ninety-three".