4320929 has 2 divisors, whose sum is σ = 4320930. Its totient is φ = 4320928.

The previous prime is 4320919. The next prime is 4320959. The reversal of 4320929 is 9290234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 1760929 = 1600^2 + 1327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4320929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4320919) 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, 2160464 + 2160465.

It is an arithmetic number, because the mean of its divisors is an integer number (2160465).

Almost surely, 2^4320929 is an apocalyptic number.

It is an amenable number.

4320929 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320929 is an equidigital number, since it uses as much as digits as its factorization.

4320929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4320929 is about 2078.6844397359. The cubic root of 4320929 is about 162.8767306680.

The spelling of 4320929 in words is "four million, three hundred twenty thousand, nine hundred twenty-nine".