99547488 has 144 divisors (see below), whose sum is σ = 302898960. Its totient is φ = 31804416.

The previous prime is 99547477. The next prime is 99547489. The reversal of 99547488 is 88474599.

99547488 is a `hidden beast` number, since 9 + 95 + 474 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×99547488² = 19819404734220288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99547489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726556 + ... + 726692.

It is an arithmetic number, because the mean of its divisors is an integer number (2103465).

Almost surely, 2^99547488 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 99547488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151449480).

99547488 is an abundant number, since it is smaller than the sum of its proper divisors (203351472).

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

99547488 is a wasteful number, since it uses less digits than its factorization.

99547488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 171 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 99547488 is about 9977.3487460347. The cubic root of 99547488 is about 463.4576997666.

The spelling of 99547488 in words is "ninety-nine million, five hundred forty-seven thousand, four hundred eighty-eight".