993247 has 2 divisors, whose sum is σ = 993248. Its totient is φ = 993246.

The previous prime is 993241. The next prime is 993253. The reversal of 993247 is 742399.

It is a balanced prime because it is at equal distance from previous prime (993241) and next prime (993253).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-993247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496623 + 496624.

It is an arithmetic number, because the mean of its divisors is an integer number (496624).

2⁹⁹³²⁴⁷ is an apocalyptic number.

993247 is a deficient number, since it is larger than the sum of its proper divisors (1).

993247 is an equidigital number, since it uses as much as digits as its factorization.

993247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 993247 is about 996.6177802949. The cubic root of 993247 is about 99.7743913903.

The spelling of 993247 in words is "nine hundred ninety-three thousand, two hundred forty-seven".