3811994 has 8 divisors (see below), whose sum is σ = 5733588. Its totient is φ = 1900800.

The previous prime is 3811979. The next prime is 3812023. The reversal of 3811994 is 4991183.

3811994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3751969 + 60025 = 1937^2 + 245^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607 + ... + 3194.

Almost surely, 2^3811994 is an apocalyptic number.

3811994 is a deficient number, since it is larger than the sum of its proper divisors (1921594).

3811994 is a wasteful number, since it uses less digits than its factorization.

3811994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200.

The product of its digits is 7776, while the sum is 35.

The square root of 3811994 is about 1952.4328413546. The cubic root of 3811994 is about 156.2130826915.

The spelling of 3811994 in words is "three million, eight hundred eleven thousand, nine hundred ninety-four".