18514849 has 8 divisors (see below), whose sum is σ = 19008000. Its totient is φ = 18027792.

The previous prime is 18514841. The next prime is 18514891. The reversal of 18514849 is 94841581.

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

It is a cyclic number.

It is not a de Polignac number, because 18514849 - 2³ = 18514841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18514841) 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, 4992 + ... + 7870.

It is an arithmetic number, because the mean of its divisors is an integer number (2376000).

Almost surely, 2^18514849 is an apocalyptic number.

It is an amenable number.

18514849 is a deficient number, since it is larger than the sum of its proper divisors (493151).

18514849 is a wasteful number, since it uses less digits than its factorization.

18514849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047.

The product of its digits is 46080, while the sum is 40.

The square root of 18514849 is about 4302.8884484727. Note that the first 3 decimals coincide. The cubic root of 18514849 is about 264.5493658477.

The spelling of 18514849 in words is "eighteen million, five hundred fourteen thousand, eight hundred forty-nine".