327385649 has 2 divisors, whose sum is σ = 327385650. Its totient is φ = 327385648.

The previous prime is 327385633. The next prime is 327385679. The reversal of 327385649 is 946583723.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167236624 + 160149025 = 12932^2 + 12655^2 .

It is a cyclic number.

It is not a de Polignac number, because 327385649 - 2⁴ = 327385633 is a prime.

It is not a weakly prime, because it can be changed into another prime (327385679) 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, 163692824 + 163692825.

It is an arithmetic number, because the mean of its divisors is an integer number (163692825).

Almost surely, 2^327385649 is an apocalyptic number.

It is an amenable number.

327385649 is a deficient number, since it is larger than the sum of its proper divisors (1).

327385649 is an equidigital number, since it uses as much as digits as its factorization.

327385649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The square root of 327385649 is about 18093.8013971636. The cubic root of 327385649 is about 689.2126066740.

The spelling of 327385649 in words is "three hundred twenty-seven million, three hundred eighty-five thousand, six hundred forty-nine".