18714966 has 8 divisors (see below), whose sum is σ = 37429944. Its totient is φ = 6238320.

The previous prime is 18714959. The next prime is 18715003. The reversal of 18714966 is 66941781.

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

18714966 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559575 + ... + 1559586.

It is an arithmetic number, because the mean of its divisors is an integer number (4678743).

Almost surely, 2^18714966 is an apocalyptic number.

18714966 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.

18714966 is a wasteful number, since it uses less digits than its factorization.

18714966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119166.

The product of its digits is 72576, while the sum is 42.

The square root of 18714966 is about 4326.0797496117. The cubic root of 18714966 is about 265.4990761101.

The spelling of 18714966 in words is "eighteen million, seven hundred fourteen thousand, nine hundred sixty-six".