9098381 has 4 divisors (see below), whose sum is σ = 9200700. Its totient is φ = 8996064.

The previous prime is 9098357. The next prime is 9098393. The reversal of 9098381 is 1838909.

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 3575881 + 5522500 = 1891^2 + 2350^2 .

It is a cyclic number.

It is not a de Polignac number, because 9098381 - 2²² = 4904077 is a prime.

It is a super-2 number, since 2×9098381² = 165561073642322, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9098311) 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, 51026 + ... + 51203.

It is an arithmetic number, because the mean of its divisors is an integer number (2300175).

Almost surely, 2^9098381 is an apocalyptic number.

It is an amenable number.

9098381 is a deficient number, since it is larger than the sum of its proper divisors (102319).

9098381 is a wasteful number, since it uses less digits than its factorization.

9098381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102318.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 9098381 is about 3016.3522672261. The cubic root of 9098381 is about 208.7635658771.

The spelling of 9098381 in words is "nine million, ninety-eight thousand, three hundred eighty-one".