3989948 has 24 divisors (see below), whose sum is σ = 7526400. Its totient is φ = 1845360.

The previous prime is 3989941. The next prime is 3989957. The reversal of 3989948 is 8499893.

3989948 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3989896 and 3989905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989941) 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, 2153 + ... + 3551.

It is an arithmetic number, because the mean of its divisors is an integer number (313600).

Almost surely, 2^3989948 is an apocalyptic number.

It is an amenable number.

3989948 is a deficient number, since it is larger than the sum of its proper divisors (3536452).

3989948 is a wasteful number, since it uses less digits than its factorization.

3989948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1455 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 3989948 is about 1997.4854192209. The cubic root of 3989948 is about 158.6070223606.

The spelling of 3989948 in words is "three million, nine hundred eighty-nine thousand, nine hundred forty-eight".