9434581 has 4 divisors (see below), whose sum is σ = 10160332. Its totient is φ = 8708832.

The previous prime is 9434573. The next prime is 9434591. The reversal of 9434581 is 1854349.

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 1822500 + 7612081 = 1350^2 + 2759^2 .

It is a cyclic number.

It is not a de Polignac number, because 9434581 - 2³ = 9434573 is a prime.

It is a super-2 number, since 2×9434581² = 178022637291122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9434521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362856 + ... + 362881.

It is an arithmetic number, because the mean of its divisors is an integer number (2540083).

Almost surely, 2^9434581 is an apocalyptic number.

It is an amenable number.

9434581 is a deficient number, since it is larger than the sum of its proper divisors (725751).

9434581 is a wasteful number, since it uses less digits than its factorization.

9434581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725750.

The product of its digits is 17280, while the sum is 34.

The square root of 9434581 is about 3071.5763054171. The cubic root of 9434581 is about 211.3039128064.

The spelling of 9434581 in words is "nine million, four hundred thirty-four thousand, five hundred eighty-one".