988611 has 8 divisors (see below), whose sum is σ = 1419600. Its totient is φ = 608352.

The previous prime is 988607. The next prime is 988643. The reversal of 988611 is 116889.

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

It is not a de Polignac number, because 988611 - 2² = 988607 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988651) 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, 12636 + ... + 12713.

It is an arithmetic number, because the mean of its divisors is an integer number (177450).

2⁹⁸⁸⁶¹¹ is an apocalyptic number.

988611 is a deficient number, since it is larger than the sum of its proper divisors (430989).

988611 is a wasteful number, since it uses less digits than its factorization.

988611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25365.

The product of its digits is 3456, while the sum is 33.

The square root of 988611 is about 994.2891933437. The cubic root of 988611 is about 99.6189162633.

The spelling of 988611 in words is "nine hundred eighty-eight thousand, six hundred eleven".