4399933 has 2 divisors, whose sum is σ = 4399934. Its totient is φ = 4399932.

The previous prime is 4399931. The next prime is 4399939. The reversal of 4399933 is 3399934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3229209 + 1170724 = 1797^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 4399933 - 2¹ = 4399931 is a prime.

Together with 4399931, it forms a pair of twin primes.

4399933 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4399931) 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, 2199966 + 2199967.

It is an arithmetic number, because the mean of its divisors is an integer number (2199967).

Almost surely, 2^4399933 is an apocalyptic number.

It is an amenable number.

4399933 is a deficient number, since it is larger than the sum of its proper divisors (1).

4399933 is an equidigital number, since it uses as much as digits as its factorization.

4399933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 40.

The square root of 4399933 is about 2097.6017257811. The cubic root of 4399933 is about 163.8634223807.

Subtracting from 4399933 its reverse (3399934), we obtain a palindrome (999999).

The spelling of 4399933 in words is "four million, three hundred ninety-nine thousand, nine hundred thirty-three".