3867744 has 24 divisors (see below), whose sum is σ = 10153080. Its totient is φ = 1289216.

The previous prime is 3867739. The next prime is 3867757. The reversal of 3867744 is 4477683.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20049 + ... + 20240.

It is an arithmetic number, because the mean of its divisors is an integer number (423045).

Almost surely, 2^3867744 is an apocalyptic number.

It is an amenable number.

3867744 is an abundant number, since it is smaller than the sum of its proper divisors (6285336).

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

3867744 is a wasteful number, since it uses less digits than its factorization.

3867744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40302 (or 40294 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 3867744 is about 1966.6580790773. The cubic root of 3867744 is about 156.9709332642.

The spelling of 3867744 in words is "three million, eight hundred sixty-seven thousand, seven hundred forty-four".