18808854 has 16 divisors (see below), whose sum is σ = 37756848. Its totient is φ = 6246432.

The previous prime is 18808837. The next prime is 18808859. The reversal of 18808854 is 45880881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18808859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3997 + ... + 7320.

It is an arithmetic number, because the mean of its divisors is an integer number (2359803).

Almost surely, 2^18808854 is an apocalyptic number.

18808854 is an abundant number, since it is smaller than the sum of its proper divisors (18947994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18808854 is a wasteful number, since it uses less digits than its factorization.

18808854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599.

The product of its (nonzero) digits is 81920, while the sum is 42.

The square root of 18808854 is about 4336.9175689653. The cubic root of 18808854 is about 265.9423151149.

The spelling of 18808854 in words is "eighteen million, eight hundred eight thousand, eight hundred fifty-four".