98936905 has 4 divisors (see below), whose sum is σ = 118724292. Its totient is φ = 79149520.

The previous prime is 98936899. The next prime is 98936941. The reversal of 98936905 is 50963989.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67699984 + 31236921 = 8228^2 + 5589^2 .

It is not a de Polignac number, because 98936905 - 2⁹ = 98936393 is a prime.

It is a super-2 number, since 2×98936905² = 19577022341958050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 9893686 + ... + 9893695.

It is an arithmetic number, because the mean of its divisors is an integer number (29681073).

Almost surely, 2^98936905 is an apocalyptic number.

It is an amenable number.

98936905 is a deficient number, since it is larger than the sum of its proper divisors (19787387).

98936905 is a wasteful number, since it uses less digits than its factorization.

98936905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19787386.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 98936905 is about 9946.7032226763. The cubic root of 98936905 is about 462.5082034094.

The spelling of 98936905 in words is "ninety-eight million, nine hundred thirty-six thousand, nine hundred five".