320434244 has 12 divisors (see below), whose sum is σ = 603895404. Its totient is φ = 147892704.

The previous prime is 320434243. The next prime is 320434249. The reversal of 320434244 is 442434023.

It can be written as a sum of positive squares in 2 ways, for example, as 103225600 + 217208644 = 10160^2 + 14738^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (320434243) 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 in 3 ways as a sum of consecutive naturals, for example, 3081047 + ... + 3081150.

It is an arithmetic number, because the mean of its divisors is an integer number (50324617).

Almost surely, 2^320434244 is an apocalyptic number.

It is an amenable number.

320434244 is a deficient number, since it is larger than the sum of its proper divisors (283461160).

320434244 is a wasteful number, since it uses less digits than its factorization.

320434244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162214 (or 6162212 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 320434244 is about 17900.6771938941. The cubic root of 320434244 is about 684.2996333233.

Adding to 320434244 its reverse (442434023), we get a palindrome (762868267).

The spelling of 320434244 in words is "three hundred twenty million, four hundred thirty-four thousand, two hundred forty-four".