3989268 has 18 divisors (see below), whose sum is σ = 10084074. Its totient is φ = 1329744.

The previous prime is 3989267. The next prime is 3989287. The reversal of 3989268 is 8629893.

It can be written as a sum of positive squares in only one way, i.e., 3090564 + 898704 = 1758^2 + 948^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989261) 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 5 ways as a sum of consecutive naturals, for example, 55371 + ... + 55442.

Almost surely, 2^3989268 is an apocalyptic number.

It is an amenable number.

3989268 is an abundant number, since it is smaller than the sum of its proper divisors (6094806).

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

3989268 is a wasteful number, since it uses less digits than its factorization.

3989268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110823 (or 110818 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 3989268 is about 1997.3151979595. The cubic root of 3989268 is about 158.5980114744.

The spelling of 3989268 in words is "three million, nine hundred eighty-nine thousand, two hundred sixty-eight".