3994783 has 8 divisors (see below), whose sum is σ = 4335408. Its totient is φ = 3658944.

The previous prime is 3994777. The next prime is 3994787. The reversal of 3994783 is 3874993.

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 3994783 - 2⁹ = 3994271 is a prime.

It is a Duffinian number.

3994783 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994787) 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, 660 + ... + 2902.

It is an arithmetic number, because the mean of its divisors is an integer number (541926).

Almost surely, 2^3994783 is an apocalyptic number.

3994783 is a deficient number, since it is larger than the sum of its proper divisors (340625).

3994783 is a wasteful number, since it uses less digits than its factorization.

3994783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393.

The product of its digits is 163296, while the sum is 43.

The square root of 3994783 is about 1998.6953244554. The cubic root of 3994783 is about 158.6710629112.

The spelling of 3994783 in words is "three million, nine hundred ninety-four thousand, seven hundred eighty-three".