3959620 has 24 divisors (see below), whose sum is σ = 9503424. Its totient is φ = 1357536.

The previous prime is 3959591. The next prime is 3959651. The reversal of 3959620 is 269593.

It is a happy number.

3959620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

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, 14002 + ... + 14281.

It is an arithmetic number, because the mean of its divisors is an integer number (395976).

Almost surely, 2^3959620 is an apocalyptic number.

It is an amenable number.

3959620 is an abundant number, since it is smaller than the sum of its proper divisors (5543804).

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

3959620 is a wasteful number, since it uses less digits than its factorization.

3959620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28299 (or 28297 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 3959620 is about 1989.8793933302. The cubic root of 3959620 is about 158.2041371439.

The spelling of 3959620 in words is "three million, nine hundred fifty-nine thousand, six hundred twenty".