3979580 has 24 divisors (see below), whose sum is σ = 9117360. Its totient is φ = 1447040.

The previous prime is 3979571. The next prime is 3979603. The reversal of 3979580 is 859793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8825 + ... + 9264.

It is an arithmetic number, because the mean of its divisors is an integer number (379890).

Almost surely, 2^3979580 is an apocalyptic number.

It is an amenable number.

3979580 is an abundant number, since it is smaller than the sum of its proper divisors (5137780).

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

3979580 is a wasteful number, since it uses less digits than its factorization.

3979580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18109 (or 18107 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 3979580 is about 1994.8884680603. Note that the first 3 decimals coincide. The cubic root of 3979580 is about 158.4695214842.

The spelling of 3979580 in words is "three million, nine hundred seventy-nine thousand, five hundred eighty".