3994071 has 16 divisors (see below), whose sum is σ = 5587968. Its totient is φ = 2534400.

The previous prime is 3994069. The next prime is 3994079. The reversal of 3994071 is 1704993.

It is not a de Polignac number, because 3994071 - 2¹ = 3994069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5911 + ... + 6551.

It is an arithmetic number, because the mean of its divisors is an integer number (349248).

Almost surely, 2^3994071 is an apocalyptic number.

3994071 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3994071 is a deficient number, since it is larger than the sum of its proper divisors (1593897).

3994071 is a wasteful number, since it uses less digits than its factorization.

3994071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 3994071 is about 1998.5172003263. The cubic root of 3994071 is about 158.6616355732.

The spelling of 3994071 in words is "three million, nine hundred ninety-four thousand, seventy-one".