3964589 has 2 divisors, whose sum is σ = 3964590. Its totient is φ = 3964588.

The previous prime is 3964549. The next prime is 3964603. The reversal of 3964589 is 9854693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 4489 = 1990^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 3964589 - 2⁸ = 3964333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3964549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982294 + 1982295.

It is an arithmetic number, because the mean of its divisors is an integer number (1982295).

Almost surely, 2^3964589 is an apocalyptic number.

It is an amenable number.

3964589 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964589 is an equidigital number, since it uses as much as digits as its factorization.

3964589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The square root of 3964589 is about 1991.1275699965. The cubic root of 3964589 is about 158.2702872415.

The spelling of 3964589 in words is "three million, nine hundred sixty-four thousand, five hundred eighty-nine".