3871706 has 16 divisors (see below), whose sum is σ = 6165600. Its totient is φ = 1818288.

The previous prime is 3871691. The next prime is 3871759. The reversal of 3871706 is 6071783.

3871706 = 93² + 94² + ... + 231².

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4916 + ... + 5648.

It is an arithmetic number, because the mean of its divisors is an integer number (385350).

Almost surely, 2^3871706 is an apocalyptic number.

3871706 is a deficient number, since it is larger than the sum of its proper divisors (2293894).

3871706 is a wasteful number, since it uses less digits than its factorization.

3871706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 3871706 is about 1967.6651137833. The cubic root of 3871706 is about 157.0245137321.

The spelling of 3871706 in words is "three million, eight hundred seventy-one thousand, seven hundred six".