8861072 has 60 divisors (see below), whose sum is σ = 19790400. Its totient is φ = 3833280.

The previous prime is 8861059. The next prime is 8861089. The reversal of 8861072 is 2701688.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44429 + ... + 44627.

It is an arithmetic number, because the mean of its divisors is an integer number (329840).

Almost surely, 2^8861072 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 8861072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9895200).

8861072 is an abundant number, since it is smaller than the sum of its proper divisors (10929328).

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

8861072 is a wasteful number, since it uses less digits than its factorization.

8861072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 8861072 is about 2976.7552805026. The cubic root of 8861072 is about 206.9325240799.

The spelling of 8861072 in words is "eight million, eight hundred sixty-one thousand, seventy-two".