3879844 has 12 divisors (see below), whose sum is σ = 6901468. Its totient is φ = 1908000.

The previous prime is 3879839. The next prime is 3879851. The reversal of 3879844 is 4489783.

It can be written as a sum of positive squares in 2 ways, for example, as 2137444 + 1742400 = 1462^2 + 1320^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3879844.

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, 7707 + ... + 8194.

Almost surely, 2^3879844 is an apocalyptic number.

It is an amenable number.

3879844 is a deficient number, since it is larger than the sum of its proper divisors (3021624).

3879844 is a wasteful number, since it uses less digits than its factorization.

3879844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15966 (or 15964 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 3879844 is about 1969.7319614607. The cubic root of 3879844 is about 157.1344541748.

The spelling of 3879844 in words is "three million, eight hundred seventy-nine thousand, eight hundred forty-four".