10903643 has 4 divisors (see below), whose sum is σ = 10942728. Its totient is φ = 10864560.

The previous prime is 10903631. The next prime is 10903667. The reversal of 10903643 is 34630901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10903643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10903603) 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, 19121 + ... + 19682.

It is an arithmetic number, because the mean of its divisors is an integer number (2735682).

Almost surely, 2^10903643 is an apocalyptic number.

10903643 is a deficient number, since it is larger than the sum of its proper divisors (39085).

10903643 is an equidigital number, since it uses as much as digits as its factorization.

10903643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39084.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 10903643 is about 3302.0664741946. The cubic root of 10903643 is about 221.7467216704.

The spelling of 10903643 in words is "ten million, nine hundred three thousand, six hundred forty-three".