98421911 has 16 divisors (see below), whose sum is σ = 116808000. Its totient is φ = 81139968.

The previous prime is 98421907. The next prime is 98421929. The reversal of 98421911 is 11912489.

It is not a de Polignac number, because 98421911 - 2² = 98421907 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 (98421511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62765 + ... + 64313.

It is an arithmetic number, because the mean of its divisors is an integer number (7300500).

Almost surely, 2^98421911 is an apocalyptic number.

98421911 is a deficient number, since it is larger than the sum of its proper divisors (18386089).

98421911 is a wasteful number, since it uses less digits than its factorization.

98421911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898.

The product of its digits is 5184, while the sum is 35.

The square root of 98421911 is about 9920.7817736305. The cubic root of 98421911 is about 461.7043125228.

The spelling of 98421911 in words is "ninety-eight million, four hundred twenty-one thousand, nine hundred eleven".