4429991 has 2 divisors, whose sum is σ = 4429992. Its totient is φ = 4429990.

The previous prime is 4429987. The next prime is 4430017. The reversal of 4429991 is 1999244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4429991 - 2² = 4429987 is a prime.

It is a super-3 number, since 3×4429991³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4429981) 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, 2214995 + 2214996.

It is an arithmetic number, because the mean of its divisors is an integer number (2214996).

Almost surely, 2^4429991 is an apocalyptic number.

4429991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4429991 is an equidigital number, since it uses as much as digits as its factorization.

4429991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 4429991 is about 2104.7543799693. The cubic root of 4429991 is about 164.2357184441.

The spelling of 4429991 in words is "four million, four hundred twenty-nine thousand, nine hundred ninety-one".