8936181 has 12 divisors (see below), whose sum is σ = 12936300. Its totient is φ = 5944320.

The previous prime is 8936173. The next prime is 8936183. The reversal of 8936181 is 1816398.

8936181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5803281 + 3132900 = 2409^2 + 1770^2 .

It is not a de Polignac number, because 8936181 - 2³ = 8936173 is a prime.

It is a super-2 number, since 2×8936181² = 159710661729522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8936183) 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, 4995 + ... + 6543.

It is an arithmetic number, because the mean of its divisors is an integer number (1078025).

Almost surely, 2^8936181 is an apocalyptic number.

It is an amenable number.

8936181 is a deficient number, since it is larger than the sum of its proper divisors (4000119).

8936181 is a wasteful number, since it uses less digits than its factorization.

8936181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196 (or 2193 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 8936181 is about 2989.3445769934. The cubic root of 8936181 is about 207.5155530994.

The spelling of 8936181 in words is "eight million, nine hundred thirty-six thousand, one hundred eighty-one".