4440691 has 2 divisors, whose sum is σ = 4440692. Its totient is φ = 4440690.

The previous prime is 4440677. The next prime is 4440707. The reversal of 4440691 is 1960444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4440691 - 2⁵ = 4440659 is a prime.

It is not a weakly prime, because it can be changed into another prime (4440641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220345 + 2220346.

It is an arithmetic number, because the mean of its divisors is an integer number (2220346).

Almost surely, 2^4440691 is an apocalyptic number.

4440691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440691 is an equidigital number, since it uses as much as digits as its factorization.

4440691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4440691 is about 2107.2947112352. The cubic root of 4440691 is about 164.3678413032.

The spelling of 4440691 in words is "four million, four hundred forty thousand, six hundred ninety-one".