98748521 has 4 divisors (see below), whose sum is σ = 98816592. Its totient is φ = 98680452.

The previous prime is 98748493. The next prime is 98748527. The reversal of 98748521 is 12584789.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12584789 = 7 ⋅1797827.

It is a cyclic number.

It is not a de Polignac number, because 98748521 - 2²² = 94554217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98748527) 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 3 ways as a sum of consecutive naturals, for example, 31811 + ... + 34776.

It is an arithmetic number, because the mean of its divisors is an integer number (24704148).

Almost surely, 2^98748521 is an apocalyptic number.

It is an amenable number.

98748521 is a deficient number, since it is larger than the sum of its proper divisors (68071).

98748521 is a wasteful number, since it uses less digits than its factorization.

98748521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68070.

The product of its digits is 161280, while the sum is 44.

The square root of 98748521 is about 9937.2290403311. The cubic root of 98748521 is about 462.2144656839.

The spelling of 98748521 in words is "ninety-eight million, seven hundred forty-eight thousand, five hundred twenty-one".