3994133 has 32 divisors (see below), whose sum is σ = 5225472. Its totient is φ = 2995200.

The previous prime is 3994121. The next prime is 3994147. The reversal of 3994133 is 3314993.

It is not a de Polignac number, because 3994133 - 2⁶ = 3994069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3994133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75335 + ... + 75387.

It is an arithmetic number, because the mean of its divisors is an integer number (163296).

Almost surely, 2^3994133 is an apocalyptic number.

It is an amenable number.

3994133 is a deficient number, since it is larger than the sum of its proper divisors (1231339).

3994133 is a wasteful number, since it uses less digits than its factorization.

3994133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125.

The product of its digits is 8748, while the sum is 32.

The square root of 3994133 is about 1998.5327117663. The cubic root of 3994133 is about 158.6624565376.

The spelling of 3994133 in words is "three million, nine hundred ninety-four thousand, one hundred thirty-three".