3980620 has 24 divisors (see below), whose sum is σ = 9553824. Its totient is φ = 1364736.

The previous prime is 3980611. The next prime is 3980621. The reversal of 3980620 is 260893.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (3980621) by changing a digit.

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, 14077 + ... + 14356.

It is an arithmetic number, because the mean of its divisors is an integer number (398076).

Almost surely, 2^3980620 is an apocalyptic number.

It is an amenable number.

3980620 is an abundant number, since it is smaller than the sum of its proper divisors (5573204).

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

3980620 is a wasteful number, since it uses less digits than its factorization.

3980620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28449 (or 28447 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3980620 is about 1995.1491172341. The cubic root of 3980620 is about 158.4833247790.

The spelling of 3980620 in words is "three million, nine hundred eighty thousand, six hundred twenty".