10498909 has 4 divisors (see below), whose sum is σ = 10505404. Its totient is φ = 10492416.

The previous prime is 10498889. The next prime is 10498913. The reversal of 10498909 is 90989401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3790809 + 6708100 = 1947^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 10498909 - 2⁷ = 10498781 is a prime.

It is a super-2 number, since 2×10498909² = 220454180380562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10498949) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1309 + ... + 4765.

It is an arithmetic number, because the mean of its divisors is an integer number (2626351).

Almost surely, 2^10498909 is an apocalyptic number.

It is an amenable number.

10498909 is a deficient number, since it is larger than the sum of its proper divisors (6495).

10498909 is an equidigital number, since it uses as much as digits as its factorization.

10498909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 10498909 is about 3240.2019998759. The cubic root of 10498909 is about 218.9683725168.

The spelling of 10498909 in words is "ten million, four hundred ninety-eight thousand, nine hundred nine".