4329649 has 2 divisors, whose sum is σ = 4329650. Its totient is φ = 4329648.

The previous prime is 4329631. The next prime is 4329653. The reversal of 4329649 is 9469234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4326400 + 3249 = 2080^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 4329649 - 2⁹ = 4329137 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 3⁴ + 2¹⁷ + 9 + 6 + 4¹¹ + 9² .

4329649 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4329659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2164824 + 2164825.

It is an arithmetic number, because the mean of its divisors is an integer number (2164825).

Almost surely, 2^4329649 is an apocalyptic number.

It is an amenable number.

4329649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4329649 is an equidigital number, since it uses as much as digits as its factorization.

4329649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 4329649 is about 2080.7808630416. The cubic root of 4329649 is about 162.9862233831.

It can be divided in two parts, 432964 and 9, that multiplied together give a square (3896676 = 1974²).

The spelling of 4329649 in words is "four million, three hundred twenty-nine thousand, six hundred forty-nine".