8551872 has 168 divisors, whose sum is σ = 29535120. Its totient is φ = 2419200.

The previous prime is 8551871. The next prime is 8551889. The reversal of 8551872 is 2781558.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8551871) 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, 84622 + ... + 84722.

Almost surely, 2^8551872 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 8551872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14767560).

8551872 is an abundant number, since it is smaller than the sum of its proper divisors (20983248).

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

8551872 is a wasteful number, since it uses less digits than its factorization.

8551872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 113 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 8551872 is about 2924.3583911689. The cubic root of 8551872 is about 204.4970578025.

The spelling of 8551872 in words is "eight million, five hundred fifty-one thousand, eight hundred seventy-two".