988755 has 16 divisors (see below), whose sum is σ = 1637280. Its totient is φ = 508928.

The previous prime is 988733. The next prime is 988759. The reversal of 988755 is 557889.

It is a cyclic number.

It is not a de Polignac number, because 988755 - 2⁹ = 988243 is a prime.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (988759) 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 15 ways as a sum of consecutive naturals, for example, 702 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (102330).

2⁹⁸⁸⁷⁵⁵ is an apocalyptic number.

988755 is a deficient number, since it is larger than the sum of its proper divisors (648525).

988755 is a wasteful number, since it uses less digits than its factorization.

988755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310.

The product of its digits is 100800, while the sum is 42.

The square root of 988755 is about 994.3616042467. The cubic root of 988755 is about 99.6237528227.

The spelling of 988755 in words is "nine hundred eighty-eight thousand, seven hundred fifty-five".