10648809 has 6 divisors (see below), whose sum is σ = 15381626. Its totient is φ = 7099200.

The previous prime is 10648801. The next prime is 10648811. The reversal of 10648809 is 90884601.

It is a happy number.

10648809 is a `hidden beast` number, since 1 + 0 + 648 + 8 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6487209 + 4161600 = 2547^2 + 2040^2 .

It is not a de Polignac number, because 10648809 - 2³ = 10648801 is a prime.

It is a super-2 number, since 2×10648809² = 226794266236962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10648801) 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 5 ways as a sum of consecutive naturals, for example, 591592 + ... + 591609.

Almost surely, 2^10648809 is an apocalyptic number.

It is an amenable number.

10648809 is a deficient number, since it is larger than the sum of its proper divisors (4732817).

10648809 is a wasteful number, since it uses less digits than its factorization.

10648809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183207 (or 1183204 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 10648809 is about 3263.2512928060. The cubic root of 10648809 is about 220.0055714842.

The spelling of 10648809 in words is "ten million, six hundred forty-eight thousand, eight hundred nine".