98551361 has 4 divisors (see below), whose sum is σ = 99270852. Its totient is φ = 97831872.

The previous prime is 98551357. The next prime is 98551403. The reversal of 98551361 is 16315589.

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 35046400 + 63504961 = 5920^2 + 7969^2 .

It is a cyclic number.

It is not a de Polignac number, because 98551361 - 2² = 98551357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98551301) 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, 359540 + ... + 359813.

It is an arithmetic number, because the mean of its divisors is an integer number (24817713).

Almost surely, 2^98551361 is an apocalyptic number.

It is an amenable number.

98551361 is a deficient number, since it is larger than the sum of its proper divisors (719491).

98551361 is a wasteful number, since it uses less digits than its factorization.

98551361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719490.

The product of its digits is 32400, while the sum is 38.

The square root of 98551361 is about 9927.3038132214. The cubic root of 98551361 is about 461.9066436181.

The spelling of 98551361 in words is "ninety-eight million, five hundred fifty-one thousand, three hundred sixty-one".