993287 has 2 divisors, whose sum is σ = 993288. Its totient is φ = 993286.

The previous prime is 993283. The next prime is 993319. The reversal of 993287 is 782399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 993287 - 2² = 993283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 993287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496643 + 496644.

It is an arithmetic number, because the mean of its divisors is an integer number (496644).

2⁹⁹³²⁸⁷ is an apocalyptic number.

993287 is a deficient number, since it is larger than the sum of its proper divisors (1).

993287 is an equidigital number, since it uses as much as digits as its factorization.

993287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 993287 is about 996.6378479669. The cubic root of 993287 is about 99.7757307423.

The spelling of 993287 in words is "nine hundred ninety-three thousand, two hundred eighty-seven".