3782872 has 8 divisors (see below), whose sum is σ = 7092900. Its totient is φ = 1891432.

The previous prime is 3782869. The next prime is 3782893. The reversal of 3782872 is 2782873.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) 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 polite number, since it can be written as a sum of consecutive naturals, namely, 236422 + ... + 236437.

Almost surely, 2^3782872 is an apocalyptic number.

It is an amenable number.

3782872 is a deficient number, since it is larger than the sum of its proper divisors (3310028).

3782872 is a wasteful number, since it uses less digits than its factorization.

3782872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472865 (or 472861 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 3782872 is about 1944.9606679828. The cubic root of 3782872 is about 155.8142650338.

Subtracting from 3782872 its reverse (2782873), we obtain a palindrome (999999).

The spelling of 3782872 in words is "three million, seven hundred eighty-two thousand, eight hundred seventy-two".