3863906 has 8 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 1928548.

The previous prime is 3863903. The next prime is 3863911. The reversal of 3863906 is 6093683.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3863903) 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, 95 + ... + 2781.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^3863906 is an apocalyptic number.

3863906 is a deficient number, since it is larger than the sum of its proper divisors (1942174).

3863906 is a wasteful number, since it uses less digits than its factorization.

3863906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3863906 is about 1965.6820699187. The cubic root of 3863906 is about 156.9189948193.

It can be divided in two parts, 386 and 3906, that multiplied together give a triangular number (1507716 = T₁₇₃₆).

The spelling of 3863906 in words is "three million, eight hundred sixty-three thousand, nine hundred six".