98213911 has 4 divisors (see below), whose sum is σ = 98253000. Its totient is φ = 98174824.

The previous prime is 98213897. The next prime is 98213917. The reversal of 98213911 is 11931289.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98213911 - 2¹⁹ = 97689623 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 (98213917) 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, 15496 + ... + 20893.

It is an arithmetic number, because the mean of its divisors is an integer number (24563250).

Almost surely, 2^98213911 is an apocalyptic number.

98213911 is a deficient number, since it is larger than the sum of its proper divisors (39089).

98213911 is a wasteful number, since it uses less digits than its factorization.

98213911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39088.

The product of its digits is 3888, while the sum is 34.

The square root of 98213911 is about 9910.2931843614. The cubic root of 98213911 is about 461.3788354446.

The spelling of 98213911 in words is "ninety-eight million, two hundred thirteen thousand, nine hundred eleven".