493328393 has 2 divisors, whose sum is σ = 493328394. Its totient is φ = 493328392.

The previous prime is 493328371. The next prime is 493328417. The reversal of 493328393 is 393823394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305830144 + 187498249 = 17488^2 + 13693^2 .

It is a cyclic number.

It is not a de Polignac number, because 493328393 - 2²⁰ = 492279817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (493328333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246664196 + 246664197.

It is an arithmetic number, because the mean of its divisors is an integer number (246664197).

Almost surely, 2^493328393 is an apocalyptic number.

It is an amenable number.

493328393 is a deficient number, since it is larger than the sum of its proper divisors (1).

493328393 is an equidigital number, since it uses as much as digits as its factorization.

493328393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 44.

The square root of 493328393 is about 22210.9971185447. The cubic root of 493328393 is about 790.1545352764.

It can be divided in two parts, 49332 and 8393, that multiplied together give a triangular number (414043476 = T₂₈₇₇₆).

The spelling of 493328393 in words is "four hundred ninety-three million, three hundred twenty-eight thousand, three hundred ninety-three".