3879620 has 24 divisors (see below), whose sum is σ = 8429400. Its totient is φ = 1498112.

The previous prime is 3879607. The next prime is 3879641. The reversal of 3879620 is 269783.

3879620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 948676 + 2930944 = 974^2 + 1712^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2765 + ... + 3924.

It is an arithmetic number, because the mean of its divisors is an integer number (351225).

Almost surely, 2^3879620 is an apocalyptic number.

It is an amenable number.

3879620 is an abundant number, since it is smaller than the sum of its proper divisors (4549780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3879620 is a wasteful number, since it uses less digits than its factorization.

3879620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727 (or 6725 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3879620 is about 1969.6751001117. The cubic root of 3879620 is about 157.1314301018.

The spelling of 3879620 in words is "three million, eight hundred seventy-nine thousand, six hundred twenty".