3994051 has 4 divisors (see below), whose sum is σ = 4017312. Its totient is φ = 3970792.

The previous prime is 3994021. The next prime is 3994069. The reversal of 3994051 is 1504993.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3994051 - 2¹³ = 3985859 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3994021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11371 + ... + 11716.

It is an arithmetic number, because the mean of its divisors is an integer number (1004328).

Almost surely, 2^3994051 is an apocalyptic number.

3994051 is a deficient number, since it is larger than the sum of its proper divisors (23261).

3994051 is a wasteful number, since it uses less digits than its factorization.

3994051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23260.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 3994051 is about 1998.5121966103. The cubic root of 3994051 is about 158.6613707442.

The spelling of 3994051 in words is "three million, nine hundred ninety-four thousand, fifty-one".