9098138 has 8 divisors (see below), whose sum is σ = 15596832. Its totient is φ = 3899196.

The previous prime is 9098129. The next prime is 9098143. The reversal of 9098138 is 8318909.

9098138 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 super-2 number, since 2×9098138² = 165552230134088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324920 + ... + 324947.

It is an arithmetic number, because the mean of its divisors is an integer number (1949604).

Almost surely, 2^9098138 is an apocalyptic number.

9098138 is a deficient number, since it is larger than the sum of its proper divisors (6498694).

9098138 is a wasteful number, since it uses less digits than its factorization.

9098138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649876.

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

The square root of 9098138 is about 3016.3119865160. The cubic root of 9098138 is about 208.7617073047.

It can be divided in two parts, 90981 and 38, that added together give a palindrome (91019).

The spelling of 9098138 in words is "nine million, ninety-eight thousand, one hundred thirty-eight".