8872181 has 8 divisors (see below), whose sum is σ = 9802944. Its totient is φ = 7986880.

The previous prime is 8872177. The next prime is 8872189. The reversal of 8872181 is 1812788.

8872181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8872181 - 2² = 8872177 is a prime.

It is a super-2 number, since 2×8872181² = 157431191393522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8872189) 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, 10955 + ... + 11736.

It is an arithmetic number, because the mean of its divisors is an integer number (1225368).

Almost surely, 2^8872181 is an apocalyptic number.

It is an amenable number.

8872181 is a deficient number, since it is larger than the sum of its proper divisors (930763).

8872181 is a wasteful number, since it uses less digits than its factorization.

8872181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22731.

The product of its digits is 7168, while the sum is 35.

The square root of 8872181 is about 2978.6206539269. The cubic root of 8872181 is about 207.0189640883.

The spelling of 8872181 in words is "eight million, eight hundred seventy-two thousand, one hundred eighty-one".