3871662 has 16 divisors (see below), whose sum is σ = 7859712. Its totient is φ = 1271160.

The previous prime is 3871661. The next prime is 3871663. The reversal of 3871662 is 2661783.

It is an interprime number because it is at equal distance from previous prime (3871661) and next prime (3871663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871661) 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 7 ways as a sum of consecutive naturals, for example, 4414 + ... + 5217.

It is an arithmetic number, because the mean of its divisors is an integer number (491232).

Almost surely, 2^3871662 is an apocalyptic number.

3871662 is an abundant number, since it is smaller than the sum of its proper divisors (3988050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3871662 is a wasteful number, since it uses less digits than its factorization.

3871662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9703.

The product of its digits is 12096, while the sum is 33.

The square root of 3871662 is about 1967.6539329872. The cubic root of 3871662 is about 157.0239188949.

The spelling of 3871662 in words is "three million, eight hundred seventy-one thousand, six hundred sixty-two".