18889054 has 8 divisors (see below), whose sum is σ = 28357920. Its totient is φ = 9436416.

The previous prime is 18889051. The next prime is 18889081. The reversal of 18889054 is 45098881.

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

It is a super-2 number, since 2×18889054² = 713592722029832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18889054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18889051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534 + ... + 6169.

It is an arithmetic number, because the mean of its divisors is an integer number (3544740).

Almost surely, 2^18889054 is an apocalyptic number.

18889054 is a deficient number, since it is larger than the sum of its proper divisors (9468866).

18889054 is a wasteful number, since it uses less digits than its factorization.

18889054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8114.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 18889054 is about 4346.1539319265. The cubic root of 18889054 is about 266.3197673266.

The spelling of 18889054 in words is "eighteen million, eight hundred eighty-nine thousand, fifty-four".