18789054 has 16 divisors (see below), whose sum is σ = 37944192. Its totient is φ = 6202008.

The previous prime is 18789053. The next prime is 18789059. The reversal of 18789054 is 45098781.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 18788997 and 18789015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18789053) 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, 14584 + ... + 15819.

It is an arithmetic number, because the mean of its divisors is an integer number (2371512).

Almost surely, 2^18789054 is an apocalyptic number.

18789054 is an abundant number, since it is smaller than the sum of its proper divisors (19155138).

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

18789054 is a wasteful number, since it uses less digits than its factorization.

18789054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30511.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 18789054 is about 4334.6342406252. The cubic root of 18789054 is about 265.8489635718.

The spelling of 18789054 in words is "eighteen million, seven hundred eighty-nine thousand, fifty-four".