3867872 has 12 divisors (see below), whose sum is σ = 7614936. Its totient is φ = 1933920.

The previous prime is 3867859. The next prime is 3867881. The reversal of 3867872 is 2787683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60404 + ... + 60467.

It is an arithmetic number, because the mean of its divisors is an integer number (634578).

Almost surely, 2^3867872 is an apocalyptic number.

3867872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3867872 is a deficient number, since it is larger than the sum of its proper divisors (3747064).

3867872 is a wasteful number, since it uses less digits than its factorization.

3867872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120881 (or 120873 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 3867872 is about 1966.6906213230. The cubic root of 3867872 is about 156.9726648557.

The spelling of 3867872 in words is "three million, eight hundred sixty-seven thousand, eight hundred seventy-two".