988147 has 2 divisors, whose sum is σ = 988148. Its totient is φ = 988146.

The previous prime is 988129. The next prime is 988157. The reversal of 988147 is 741889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 988147 - 2¹⁵ = 955379 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (988157) 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, 494073 + 494074.

It is an arithmetic number, because the mean of its divisors is an integer number (494074).

2⁹⁸⁸¹⁴⁷ is an apocalyptic number.

988147 is a deficient number, since it is larger than the sum of its proper divisors (1).

988147 is an equidigital number, since it uses as much as digits as its factorization.

988147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 37.

The square root of 988147 is about 994.0558334420. The cubic root of 988147 is about 99.6033285985.

The spelling of 988147 in words is "nine hundred eighty-eight thousand, one hundred forty-seven".