493288387 has 2 divisors, whose sum is σ = 493288388. Its totient is φ = 493288386.

The previous prime is 493288363. The next prime is 493288417. The reversal of 493288387 is 783882394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493288387 - 2⁷ = 493288259 is a prime.

It is not a weakly prime, because it can be changed into another prime (493288487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246644193 + 246644194.

It is an arithmetic number, because the mean of its divisors is an integer number (246644194).

Almost surely, 2^493288387 is an apocalyptic number.

493288387 is a deficient number, since it is larger than the sum of its proper divisors (1).

493288387 is an equidigital number, since it uses as much as digits as its factorization.

493288387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 52.

The square root of 493288387 is about 22210.0965103711. The cubic root of 493288387 is about 790.1331757538.

The spelling of 493288387 in words is "four hundred ninety-three million, two hundred eighty-eight thousand, three hundred eighty-seven".