98649181 has 8 divisors (see below), whose sum is σ = 106881984. Its totient is φ = 90686400.

The previous prime is 98649169. The next prime is 98649203. The reversal of 98649181 is 18194689.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98649181 - 2⁷ = 98649053 is a prime.

It is a super-2 number, since 2×98649181² = 19463321823941522, 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 (98649281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66745 + ... + 68206.

It is an arithmetic number, because the mean of its divisors is an integer number (13360248).

Almost surely, 2^98649181 is an apocalyptic number.

It is an amenable number.

98649181 is a deficient number, since it is larger than the sum of its proper divisors (8232803).

98649181 is a wasteful number, since it uses less digits than its factorization.

98649181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135011.

The product of its digits is 124416, while the sum is 46.

The square root of 98649181 is about 9932.2294073385. The cubic root of 98649181 is about 462.0594193423.

The spelling of 98649181 in words is "ninety-eight million, six hundred forty-nine thousand, one hundred eighty-one".