4459993 has 2 divisors, whose sum is σ = 4459994. Its totient is φ = 4459992.

The previous prime is 4459981. The next prime is 4460009. The reversal of 4459993 is 3999544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4338889 + 121104 = 2083^2 + 348^2 .

It is a cyclic number.

It is not a de Polignac number, because 4459993 - 2¹⁷ = 4328921 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4459193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229996 + 2229997.

It is an arithmetic number, because the mean of its divisors is an integer number (2229997).

Almost surely, 2^4459993 is an apocalyptic number.

It is an amenable number.

4459993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4459993 is an equidigital number, since it uses as much as digits as its factorization.

4459993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The square root of 4459993 is about 2111.8695508956. The cubic root of 4459993 is about 164.6056453149.

The spelling of 4459993 in words is "four million, four hundred fifty-nine thousand, nine hundred ninety-three".