18803441 has 4 divisors (see below), whose sum is σ = 18822384. Its totient is φ = 18784500.

The previous prime is 18803429. The next prime is 18803471. The reversal of 18803441 is 14430881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18803441 - 2¹⁰ = 18802417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18803471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7895 + ... + 9996.

It is an arithmetic number, because the mean of its divisors is an integer number (4705596).

Almost surely, 2^18803441 is an apocalyptic number.

It is an amenable number.

18803441 is a deficient number, since it is larger than the sum of its proper divisors (18943).

18803441 is a wasteful number, since it uses less digits than its factorization.

18803441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18942.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 18803441 is about 4336.2934633163. The cubic root of 18803441 is about 265.9168008213.

The spelling of 18803441 in words is "eighteen million, eight hundred three thousand, four hundred forty-one".