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9988384 = 257174361
BaseRepresentation
bin100110000110…
…100100100000
3200210110111011
4212012210200
510024112014
6554030304
7150620440
oct46064440
920713434
109988384
11570246a
123418394
1320b94b3
141480120
15d247c4
hex986920

9988384 has 96 divisors (see below), whose sum is σ = 24748416. Its totient is φ = 3870720.

The previous prime is 9988373. The next prime is 9988397. The reversal of 9988384 is 4838899.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163714 + ... + 163774.

It is an arithmetic number, because the mean of its divisors is an integer number (257796).

Almost surely, 29988384 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 9988384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12374208).

9988384 is an abundant number, since it is smaller than the sum of its proper divisors (14760032).

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

9988384 is a wasteful number, since it uses less digits than its factorization.

9988384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 130 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 9988384 is about 3160.4404756299. The cubic root of 9988384 is about 215.3600169710.

The spelling of 9988384 in words is "nine million, nine hundred eighty-eight thousand, three hundred eighty-four".