3871862 has 8 divisors (see below), whose sum is σ = 5917536. Its totient is φ = 1899352.

The previous prime is 3871841. The next prime is 3871871. The reversal of 3871862 is 2681783.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18158 + ... + 18369.

It is an arithmetic number, because the mean of its divisors is an integer number (739692).

Almost surely, 2^3871862 is an apocalyptic number.

3871862 is a deficient number, since it is larger than the sum of its proper divisors (2045674).

3871862 is a wasteful number, since it uses less digits than its factorization.

3871862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36582.

The product of its digits is 16128, while the sum is 35.

The square root of 3871862 is about 1967.7047542759. The cubic root of 3871862 is about 157.0266226642.

The spelling of 3871862 in words is "three million, eight hundred seventy-one thousand, eight hundred sixty-two".