988239 has 8 divisors (see below), whose sum is σ = 1505920. Its totient is φ = 564696.

The previous prime is 988237. The next prime is 988243. The reversal of 988239 is 932889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 988239 - 2¹ = 988237 is a prime.

It is a super-2 number, since 2×988239² = 1953232642242, which contains 22 as substring.

It is a Duffinian number.

988239 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 988197 and 988206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23509 + ... + 23550.

It is an arithmetic number, because the mean of its divisors is an integer number (188240).

2⁹⁸⁸²³⁹ is an apocalyptic number.

988239 is a deficient number, since it is larger than the sum of its proper divisors (517681).

988239 is a wasteful number, since it uses less digits than its factorization.

988239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47069.

The product of its digits is 31104, while the sum is 39.

The square root of 988239 is about 994.1021074316. The cubic root of 988239 is about 99.6064196440.

The spelling of 988239 in words is "nine hundred eighty-eight thousand, two hundred thirty-nine".