988011 has 32 divisors (see below), whose sum is σ = 1605120. Its totient is φ = 598752.

The previous prime is 988007. The next prime is 988021. The reversal of 988011 is 110889.

It is not a de Polignac number, because 988011 - 2² = 988007 is a prime.

It is a super-2 number, since 2×988011² = 1952331472242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

988011 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988011.

It is not an unprimeable number, because it can be changed into a prime (988021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22956 + ... + 22998.

It is an arithmetic number, because the mean of its divisors is an integer number (50160).

2⁹⁸⁸⁰¹¹ is an apocalyptic number.

988011 is a deficient number, since it is larger than the sum of its proper divisors (617109).

988011 is a wasteful number, since it uses less digits than its factorization.

988011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 988011 is about 993.9874244677. The cubic root of 988011 is about 99.5987588755.

The spelling of 988011 in words is "nine hundred eighty-eight thousand, eleven".