3968489 has 12 divisors (see below), whose sum is σ = 4762944. Its totient is φ = 3232944.

The previous prime is 3968483. The next prime is 3968491. The reversal of 3968489 is 9848693.

It is not a de Polignac number, because 3968489 - 2¹² = 3964393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968483) 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 11 ways as a sum of consecutive naturals, for example, 25199 + ... + 25355.

It is an arithmetic number, because the mean of its divisors is an integer number (396912).

Almost surely, 2^3968489 is an apocalyptic number.

It is an amenable number.

3968489 is a deficient number, since it is larger than the sum of its proper divisors (794455).

3968489 is an equidigital number, since it uses as much as digits as its factorization.

3968489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 187 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 3968489 is about 1992.1066738506. The cubic root of 3968489 is about 158.3221675105.

The spelling of 3968489 in words is "three million, nine hundred sixty-eight thousand, four hundred eighty-nine".