4089963 has 4 divisors (see below), whose sum is σ = 5453288. Its totient is φ = 2726640.

The previous prime is 4089949. The next prime is 4089973. The reversal of 4089963 is 3699804.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4089963 - 2⁴ = 4089947 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4089973) 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 3 ways as a sum of consecutive naturals, for example, 681658 + ... + 681663.

It is an arithmetic number, because the mean of its divisors is an integer number (1363322).

Almost surely, 2^4089963 is an apocalyptic number.

4089963 is a deficient number, since it is larger than the sum of its proper divisors (1363325).

4089963 is a wasteful number, since it uses less digits than its factorization.

4089963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363324.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4089963 is about 2022.3656939337. The cubic root of 4089963 is about 159.9213545786.

The spelling of 4089963 in words is "four million, eighty-nine thousand, nine hundred sixty-three".