988936 has 32 divisors (see below), whose sum is σ = 2058840. Its totient is φ = 442368.

The previous prime is 988909. The next prime is 988937. The reversal of 988936 is 639889.

It can be written as a sum of positive squares in 4 ways, for example, as 988036 + 900 = 994^2 + 30^2 .

It is a junction number, because it is equal to n+sod(n) for n = 988892 and 988901.

It is not an unprimeable number, because it can be changed into a prime (988937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3720 + ... + 3976.

2⁹⁸⁸⁹³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029420).

988936 is an abundant number, since it is smaller than the sum of its proper divisors (1069904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

988936 is a wasteful number, since it uses less digits than its factorization.

988936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 309 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 988936 is about 994.4526132501. The cubic root of 988936 is about 99.6298314431.

The spelling of 988936 in words is "nine hundred eighty-eight thousand, nine hundred thirty-six".