3871572 has 12 divisors (see below), whose sum is σ = 9033696. Its totient is φ = 1290520.

The previous prime is 3871547. The next prime is 3871579. The reversal of 3871572 is 2751783.

3871572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161304 + ... + 161327.

It is an arithmetic number, because the mean of its divisors is an integer number (752808).

Almost surely, 2^3871572 is an apocalyptic number.

It is an amenable number.

3871572 is an abundant number, since it is smaller than the sum of its proper divisors (5162124).

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

3871572 is a wasteful number, since it uses less digits than its factorization.

3871572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322638 (or 322636 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 3871572 is about 1967.6310629790. The cubic root of 3871572 is about 157.0227021683.

The spelling of 3871572 in words is "three million, eight hundred seventy-one thousand, five hundred seventy-two".