3994111 has 8 divisors (see below), whose sum is σ = 4546944. Its totient is φ = 3472920.

The previous prime is 3994103. The next prime is 3994121. The reversal of 3994111 is 1114993.

It is a happy number.

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

It is not a de Polignac number, because 3994111 - 2³ = 3994103 is a prime.

It is a Duffinian number.

3994111 is a lucky number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3994111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7641 + ... + 8146.

It is an arithmetic number, because the mean of its divisors is an integer number (568368).

Almost surely, 2^3994111 is an apocalyptic number.

3994111 is a deficient number, since it is larger than the sum of its proper divisors (552833).

3994111 is a wasteful number, since it uses less digits than its factorization.

3994111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15821.

The product of its digits is 972, while the sum is 28.

The square root of 3994111 is about 1998.5272077207. The cubic root of 3994111 is about 158.6621652286.

The spelling of 3994111 in words is "three million, nine hundred ninety-four thousand, one hundred eleven".