9084181 has 4 divisors (see below), whose sum is σ = 9233164. Its totient is φ = 8935200.

The previous prime is 9084161. The next prime is 9084211. The reversal of 9084181 is 1814809.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2146225 + 6937956 = 1465^2 + 2634^2 .

It is a cyclic number.

It is not a de Polignac number, because 9084181 - 2²³ = 695573 is a prime.

It is a super-2 number, since 2×9084181² = 165044688881522, 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 (9084161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74400 + ... + 74521.

It is an arithmetic number, because the mean of its divisors is an integer number (2308291).

Almost surely, 2^9084181 is an apocalyptic number.

It is an amenable number.

9084181 is a deficient number, since it is larger than the sum of its proper divisors (148983).

9084181 is a wasteful number, since it uses less digits than its factorization.

9084181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148982.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 9084181 is about 3013.9975116114. The cubic root of 9084181 is about 208.6549023616.

The spelling of 9084181 in words is "nine million, eighty-four thousand, one hundred eighty-one".