998488927 has 2 divisors, whose sum is σ = 998488928. Its totient is φ = 998488926.

The previous prime is 998488913. The next prime is 998489077. The reversal of 998488927 is 729884899.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998488927 is a prime.

It is a super-2 number, since 2×998488927² = 1993960274683222658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998488427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499244463 + 499244464.

It is an arithmetic number, because the mean of its divisors is an integer number (499244464).

Almost surely, 2^998488927 is an apocalyptic number.

998488927 is a deficient number, since it is larger than the sum of its proper divisors (1).

998488927 is an equidigital number, since it uses as much as digits as its factorization.

998488927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 64.

The square root of 998488927 is about 31598.8754072040. The cubic root of 998488927 is about 999.4960550822.

The spelling of 998488927 in words is "nine hundred ninety-eight million, four hundred eighty-eight thousand, nine hundred twenty-seven".