998927 has 2 divisors, whose sum is σ = 998928. Its totient is φ = 998926.

The previous prime is 998917. The next prime is 998941. The reversal of 998927 is 729899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 998927 - 2¹² = 994831 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499463 + 499464.

It is an arithmetic number, because the mean of its divisors is an integer number (499464).

2⁹⁹⁸⁹²⁷ is an apocalyptic number.

998927 is a deficient number, since it is larger than the sum of its proper divisors (1).

998927 is an equidigital number, since it uses as much as digits as its factorization.

998927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 998927 is about 999.4633560066. The cubic root of 998927 is about 99.9642205332.

It can be divided in two parts, 99892 and 7, that added together give a palindrome (99899).

The spelling of 998927 in words is "nine hundred ninety-eight thousand, nine hundred twenty-seven".