98927821 has 8 divisors (see below), whose sum is σ = 101467520. Its totient is φ = 96399072.

The previous prime is 98927791. The next prime is 98927827. The reversal of 98927821 is 12872989.

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 98927821 - 2¹¹ = 98925773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98927827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17425 + ... + 22393.

It is an arithmetic number, because the mean of its divisors is an integer number (12683440).

Almost surely, 2^98927821 is an apocalyptic number.

It is an amenable number.

98927821 is a deficient number, since it is larger than the sum of its proper divisors (2539699).

98927821 is a wasteful number, since it uses less digits than its factorization.

98927821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475.

The product of its digits is 145152, while the sum is 46.

The square root of 98927821 is about 9946.2465784838. The cubic root of 98927821 is about 462.4940477442.

The spelling of 98927821 in words is "ninety-eight million, nine hundred twenty-seven thousand, eight hundred twenty-one".