3867028 has 12 divisors (see below), whose sum is σ = 7382592. Its totient is φ = 1757720.

The previous prime is 3867011. The next prime is 3867047. The reversal of 3867028 is 8207683.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3866984 and 3867002.

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, 43900 + ... + 43987.

It is an arithmetic number, because the mean of its divisors is an integer number (615216).

Almost surely, 2^3867028 is an apocalyptic number.

It is an amenable number.

3867028 is a deficient number, since it is larger than the sum of its proper divisors (3515564).

3867028 is a wasteful number, since it uses less digits than its factorization.

3867028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87902 (or 87900 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 3867028 is about 1966.4760359587. The cubic root of 3867028 is about 156.9612464697.

The spelling of 3867028 in words is "three million, eight hundred sixty-seven thousand, twenty-eight".