493733987 has 2 divisors, whose sum is σ = 493733988. Its totient is φ = 493733986.

The previous prime is 493733927. The next prime is 493734001. The reversal of 493733987 is 789337394.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493733987 - 2¹⁸ = 493471843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493733917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246866993 + 246866994.

It is an arithmetic number, because the mean of its divisors is an integer number (246866994).

Almost surely, 2^493733987 is an apocalyptic number.

493733987 is a deficient number, since it is larger than the sum of its proper divisors (1).

493733987 is an equidigital number, since it uses as much as digits as its factorization.

493733987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 53.

The square root of 493733987 is about 22220.1257197163. The cubic root of 493733987 is about 790.3710199779.

The spelling of 493733987 in words is "four hundred ninety-three million, seven hundred thirty-three thousand, nine hundred eighty-seven".