10800638 has 4 divisors (see below), whose sum is σ = 16200960. Its totient is φ = 5400318.

The previous prime is 10800631. The next prime is 10800641. The reversal of 10800638 is 83600801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83600801 = 229 ⋅365069.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10800631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700158 + ... + 2700161.

It is an arithmetic number, because the mean of its divisors is an integer number (4050240).

Almost surely, 2^10800638 is an apocalyptic number.

10800638 is a deficient number, since it is larger than the sum of its proper divisors (5400322).

10800638 is an equidigital number, since it uses as much as digits as its factorization.

10800638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400321.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 10800638 is about 3286.4324122063. The cubic root of 10800638 is about 221.0462424477.

The spelling of 10800638 in words is "ten million, eight hundred thousand, six hundred thirty-eight".