3869894 has 16 divisors (see below), whose sum is σ = 6720000. Its totient is φ = 1637064.

The previous prime is 3869881. The next prime is 3869917. The reversal of 3869894 is 4989683.

3869894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 157³+1.

It is a Curzon number.

It is a congruent number.

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, 644 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (420000).

Almost surely, 2^3869894 is an apocalyptic number.

3869894 is a deficient number, since it is larger than the sum of its proper divisors (2850106).

3869894 is a wasteful number, since it uses less digits than its factorization.

3869894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587.

The product of its digits is 373248, while the sum is 47.

The square root of 3869894 is about 1967.2046156920. The cubic root of 3869894 is about 157.0000135232. Note that the first 4 decimals are identical.

The spelling of 3869894 in words is "three million, eight hundred sixty-nine thousand, eight hundred ninety-four".