8861772 has 24 divisors (see below), whose sum is σ = 20736576. Its totient is φ = 2945488.

The previous prime is 8861767. The next prime is 8861773. The reversal of 8861772 is 2771688.

It is a self number, because there is not a number n which added to its sum of digits gives 8861772.

It is not an unprimeable number, because it can be changed into a prime (8861773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4483 + ... + 6149.

It is an arithmetic number, because the mean of its divisors is an integer number (864024).

Almost surely, 2^8861772 is an apocalyptic number.

It is an amenable number.

8861772 is an abundant number, since it is smaller than the sum of its proper divisors (11874804).

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

8861772 is a wasteful number, since it uses less digits than its factorization.

8861772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117 (or 2115 counting only the distinct ones).

The product of its digits is 37632, while the sum is 39.

The square root of 8861772 is about 2976.8728558674. The cubic root of 8861772 is about 206.9379729673.

The spelling of 8861772 in words is "eight million, eight hundred sixty-one thousand, seven hundred seventy-two".