18808801 has 8 divisors (see below), whose sum is σ = 20855808. Its totient is φ = 16818000.

The previous prime is 18808771. The next prime is 18808819. The reversal of 18808801 is 10880881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18808801 - 2¹³ = 18800609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18808831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13345 + ... + 14686.

It is an arithmetic number, because the mean of its divisors is an integer number (2606976).

Almost surely, 2^18808801 is an apocalyptic number.

18808801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18808801 is a deficient number, since it is larger than the sum of its proper divisors (2047007).

18808801 is a wasteful number, since it uses less digits than its factorization.

18808801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28103.

The product of its (nonzero) digits is 4096, while the sum is 34.

The square root of 18808801 is about 4336.9114586304. The cubic root of 18808801 is about 265.9420653220.

It can be divided in two parts, 1880880 and 1, that added together give a palindrome (1880881).

The spelling of 18808801 in words is "eighteen million, eight hundred eight thousand, eight hundred one".