4408993 has 2 divisors, whose sum is σ = 4408994. Its totient is φ = 4408992.

The previous prime is 4408991. The next prime is 4408997. The reversal of 4408993 is 3998044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 2122849 = 1512^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 4408993 - 2¹ = 4408991 is a prime.

Together with 4408991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4408991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2204496 + 2204497.

It is an arithmetic number, because the mean of its divisors is an integer number (2204497).

Almost surely, 2^4408993 is an apocalyptic number.

It is an amenable number.

4408993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4408993 is an equidigital number, since it uses as much as digits as its factorization.

4408993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 4408993 is about 2099.7602244066. The cubic root of 4408993 is about 163.9758168784.

The spelling of 4408993 in words is "four million, four hundred eight thousand, nine hundred ninety-three".