3871924 has 12 divisors (see below), whose sum is σ = 7743904. Its totient is φ = 1659384.

The previous prime is 3871921. The next prime is 3871961. The reversal of 3871924 is 4291783.

3871924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3871924 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3871924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871921) 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, 69114 + ... + 69169.

Almost surely, 2^3871924 is an apocalyptic number.

It is an amenable number.

3871924 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3871924 is a wasteful number, since it uses less digits than its factorization.

3871924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138294 (or 138292 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 3871924 is about 1967.7205086089. The cubic root of 3871924 is about 157.0274608138.

The spelling of 3871924 in words is "three million, eight hundred seventy-one thousand, nine hundred twenty-four".