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988856 = 231117661
BaseRepresentation
bin11110001011010111000
31212020110022
43301122320
5223120411
633110012
711255651
oct3613270
91766408
10988856
11615a40
123b8308
1328812b
141ba528
15147edb
hexf16b8

988856 has 32 divisors (see below), whose sum is σ = 2144880. Its totient is φ = 422400.

The previous prime is 988849. The next prime is 988859. The reversal of 988856 is 658889.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988856.

It is not an unprimeable number, because it can be changed into a prime (988859) 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, 1166 + ... + 1826.

2988856 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 988856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072440).

988856 is an abundant number, since it is smaller than the sum of its proper divisors (1156024).

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

988856 is a wasteful number, since it uses less digits than its factorization.

988856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 691 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 988856 is about 994.4123893034. The cubic root of 988856 is about 99.6271448515.

The spelling of 988856 in words is "nine hundred eighty-eight thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 136 187 374 661 748 1322 1496 2644 5288 7271 11237 14542 22474 29084 44948 58168 89896 123607 247214 494428 988856