10803649 has 4 divisors (see below), whose sum is σ = 10980820. Its totient is φ = 10626480.

The previous prime is 10803613. The next prime is 10803659. The reversal of 10803649 is 94630801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94630801 = 653 ⋅144917.

It can be written as a sum of positive squares in 2 ways, for example, as 1803649 + 9000000 = 1343^2 + 3000^2 .

It is a cyclic number.

It is not a de Polignac number, because 10803649 - 2⁹ = 10803137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10803649.

It is not an unprimeable number, because it can be changed into a prime (10803659) 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, 88494 + ... + 88615.

It is an arithmetic number, because the mean of its divisors is an integer number (2745205).

Almost surely, 2^10803649 is an apocalyptic number.

It is an amenable number.

10803649 is a deficient number, since it is larger than the sum of its proper divisors (177171).

10803649 is an equidigital number, since it uses as much as digits as its factorization.

10803649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177170.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 10803649 is about 3286.8904758145. The cubic root of 10803649 is about 221.0667816170.

The spelling of 10803649 in words is "ten million, eight hundred three thousand, six hundred forty-nine".