3801872 has 20 divisors (see below), whose sum is σ = 7428096. Its totient is φ = 1884960.

The previous prime is 3801869. The next prime is 3801883. The reversal of 3801872 is 2781083.

It is a hoax number, since the sum of its digits (29) 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097 + ... + 2967.

Almost surely, 2^3801872 is an apocalyptic number.

It is an amenable number.

3801872 is a deficient number, since it is larger than the sum of its proper divisors (3626224).

3801872 is a wasteful number, since it uses less digits than its factorization.

3801872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 3801872 is about 1949.8389677099. The cubic root of 3801872 is about 156.0746957648.

The spelling of 3801872 in words is "three million, eight hundred one thousand, eight hundred seventy-two".