98119821 has 8 divisors (see below), whose sum is σ = 131984640. Its totient is φ = 64834112.

The previous prime is 98119787. The next prime is 98119831. The reversal of 98119821 is 12891189.

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 98119821 - 2¹⁸ = 97857677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98119821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98119831) 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, 144381 + ... + 145058.

It is an arithmetic number, because the mean of its divisors is an integer number (16498080).

Almost surely, 2^98119821 is an apocalyptic number.

It is an amenable number.

98119821 is a deficient number, since it is larger than the sum of its proper divisors (33864819).

98119821 is a wasteful number, since it uses less digits than its factorization.

98119821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289555.

The product of its digits is 10368, while the sum is 39.

The square root of 98119821 is about 9905.5449622926. The cubic root of 98119821 is about 461.2314530479.

It can be divided in two parts, 981 and 19821, that added together give a palindrome (20802).

The spelling of 98119821 in words is "ninety-eight million, one hundred nineteen thousand, eight hundred twenty-one".