18889514 has 8 divisors (see below), whose sum is σ = 32382048. Its totient is φ = 8095500.

The previous prime is 18889487. The next prime is 18889517. The reversal of 18889514 is 41598881.

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

It is not an unprimeable number, because it can be changed into a prime (18889517) 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, 674612 + ... + 674639.

It is an arithmetic number, because the mean of its divisors is an integer number (4047756).

Almost surely, 2^18889514 is an apocalyptic number.

18889514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18889514 is a deficient number, since it is larger than the sum of its proper divisors (13492534).

18889514 is a wasteful number, since it uses less digits than its factorization.

18889514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349260.

The product of its digits is 92160, while the sum is 44.

The square root of 18889514 is about 4346.2068519572. The cubic root of 18889514 is about 266.3219291801.

The spelling of 18889514 in words is "eighteen million, eight hundred eighty-nine thousand, five hundred fourteen".