3871546 has 16 divisors (see below), whose sum is σ = 7027776. Its totient is φ = 1561536.

The previous prime is 3871537. The next prime is 3871547. The reversal of 3871546 is 6451783.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (3871547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7896 + ... + 8371.

It is an arithmetic number, because the mean of its divisors is an integer number (439236).

Almost surely, 2^3871546 is an apocalyptic number.

3871546 is a deficient number, since it is larger than the sum of its proper divisors (3156230).

3871546 is a wasteful number, since it uses less digits than its factorization.

3871546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16293.

The product of its digits is 20160, while the sum is 34.

The square root of 3871546 is about 1967.6244560383. The cubic root of 3871546 is about 157.0223506660.

The spelling of 3871546 in words is "three million, eight hundred seventy-one thousand, five hundred forty-six".