18914718 has 8 divisors (see below), whose sum is σ = 37829448. Its totient is φ = 6304904.

The previous prime is 18914677. The next prime is 18914719. The reversal of 18914718 is 81741981.

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

18914718 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18914719) 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, 1576221 + ... + 1576232.

It is an arithmetic number, because the mean of its divisors is an integer number (4728681).

Almost surely, 2^18914718 is an apocalyptic number.

18914718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18914718 is a wasteful number, since it uses less digits than its factorization.

18914718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152458.

The product of its digits is 16128, while the sum is 39.

The square root of 18914718 is about 4349.1054252570. The cubic root of 18914718 is about 266.4403263449.

The spelling of 18914718 in words is "eighteen million, nine hundred fourteen thousand, seven hundred eighteen".