320234449 has 2 divisors, whose sum is σ = 320234450. Its totient is φ = 320234448.

The previous prime is 320234441. The next prime is 320234471. The reversal of 320234449 is 944432023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162103824 + 158130625 = 12732^2 + 12575^2 .

It is a cyclic number.

It is not a de Polignac number, because 320234449 - 2³ = 320234441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320234449.

It is not a weakly prime, because it can be changed into another prime (320234441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160117224 + 160117225.

It is an arithmetic number, because the mean of its divisors is an integer number (160117225).

Almost surely, 2^320234449 is an apocalyptic number.

It is an amenable number.

320234449 is a deficient number, since it is larger than the sum of its proper divisors (1).

320234449 is an equidigital number, since it uses as much as digits as its factorization.

320234449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 320234449 is about 17895.0956689256. The cubic root of 320234449 is about 684.1573804553.

The spelling of 320234449 in words is "three hundred twenty million, two hundred thirty-four thousand, four hundred forty-nine".