3867994 has 16 divisors (see below), whose sum is σ = 6451200. Its totient is φ = 1727280.

The previous prime is 3867961. The next prime is 3868003. The reversal of 3867994 is 4997683.

3867994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3867994² = 29922755168072, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1594 + ... + 3205.

It is an arithmetic number, because the mean of its divisors is an integer number (403200).

Almost surely, 2^3867994 is an apocalyptic number.

3867994 is a deficient number, since it is larger than the sum of its proper divisors (2583206).

3867994 is a wasteful number, since it uses less digits than its factorization.

3867994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845.

The product of its digits is 326592, while the sum is 46.

The square root of 3867994 is about 1966.7216376498. The cubic root of 3867994 is about 156.9743152433.

The spelling of 3867994 in words is "three million, eight hundred sixty-seven thousand, nine hundred ninety-four".