10098905 has 8 divisors (see below), whose sum is σ = 12136200. Its totient is φ = 8067456.

The previous prime is 10098883. The next prime is 10098911. The reversal of 10098905 is 50989001.

It can be written as a sum of positive squares in 4 ways, for example, as 1194649 + 8904256 = 1093^2 + 2984^2 .

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 10098905 - 2¹⁶ = 10033369 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4751 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (1517025).

Almost surely, 2^10098905 is an apocalyptic number.

It is an amenable number.

10098905 is a deficient number, since it is larger than the sum of its proper divisors (2037295).

10098905 is a wasteful number, since it uses less digits than its factorization.

10098905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 10098905 is about 3177.8774362772. The cubic root of 10098905 is about 216.1514213171.

The spelling of 10098905 in words is "ten million, ninety-eight thousand, nine hundred five".