8861172 has 24 divisors (see below), whose sum is σ = 20773536. Its totient is φ = 2939808.

The previous prime is 8861159. The next prime is 8861173. The reversal of 8861172 is 2711688.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8861173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (865564).

Almost surely, 2^8861172 is an apocalyptic number.

It is an amenable number.

8861172 is an abundant number, since it is smaller than the sum of its proper divisors (11912364).

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

8861172 is a wasteful number, since it uses less digits than its factorization.

8861172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487 (or 3485 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 8861172 is about 2976.7720772676. The cubic root of 8861172 is about 206.9333025099.

The spelling of 8861172 in words is "eight million, eight hundred sixty-one thousand, one hundred seventy-two".