98847521 has 4 divisors (see below), whose sum is σ = 99212544. Its totient is φ = 98482500.

The previous prime is 98847517. The next prime is 98847569. The reversal of 98847521 is 12574889.

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.

It is a cyclic number.

It is not a de Polignac number, because 98847521 - 2² = 98847517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98847121) 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, 182105 + ... + 182646.

It is an arithmetic number, because the mean of its divisors is an integer number (24803136).

Almost surely, 2^98847521 is an apocalyptic number.

It is an amenable number.

98847521 is a deficient number, since it is larger than the sum of its proper divisors (365023).

98847521 is a wasteful number, since it uses less digits than its factorization.

98847521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365022.

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

The square root of 98847521 is about 9942.2090603648. The cubic root of 98847521 is about 462.3688779500.

The spelling of 98847521 in words is "ninety-eight million, eight hundred forty-seven thousand, five hundred twenty-one".