3989272 has 16 divisors (see below), whose sum is σ = 8548560. Its totient is φ = 1709664.

The previous prime is 3989267. The next prime is 3989287. The reversal of 3989272 is 2729893.

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 3 ways as a sum of consecutive naturals, for example, 35563 + ... + 35674.

It is an arithmetic number, because the mean of its divisors is an integer number (534285).

Almost surely, 2^3989272 is an apocalyptic number.

It is an amenable number.

3989272 is an abundant number, since it is smaller than the sum of its proper divisors (4559288).

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

3989272 is a wasteful number, since it uses less digits than its factorization.

3989272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71250 (or 71246 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 3989272 is about 1997.3161993035. The cubic root of 3989272 is about 158.5980644826.

The spelling of 3989272 in words is "three million, nine hundred eighty-nine thousand, two hundred seventy-two".