3871472 has 20 divisors (see below), whose sum is σ = 8183256. Its totient is φ = 1759680.

The previous prime is 3871447. The next prime is 3871481. The reversal of 3871472 is 2741783.

It is a happy number.

3871472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 10823 + ... + 11174.

Almost surely, 2^3871472 is an apocalyptic number.

It is an amenable number.

3871472 is an abundant number, since it is smaller than the sum of its proper divisors (4311784).

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

3871472 is a wasteful number, since it uses less digits than its factorization.

3871472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22016 (or 22010 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 3871472 is about 1967.6056515471. The cubic root of 3871472 is about 157.0213502278.

The spelling of 3871472 in words is "three million, eight hundred seventy-one thousand, four hundred seventy-two".