8861472 has 72 divisors (see below), whose sum is σ = 26093340. Its totient is φ = 2849280.

The previous prime is 8861423. The next prime is 8861473. The reversal of 8861472 is 2741688.

It can be written as a sum of positive squares in 2 ways, for example, as 8785296 + 76176 = 2964^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (8861473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7822 + ... + 8882.

Almost surely, 2^8861472 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 8861472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13046670).

8861472 is an abundant number, since it is smaller than the sum of its proper divisors (17231868).

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

8861472 is a wasteful number, since it uses less digits than its factorization.

8861472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1095 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 8861472 is about 2976.8224669940. The cubic root of 8861472 is about 206.9356377650.

The spelling of 8861472 in words is "eight million, eight hundred sixty-one thousand, four hundred seventy-two".