18514853 has 16 divisors (see below), whose sum is σ = 22569984. Its totient is φ = 14826240.

The previous prime is 18514841. The next prime is 18514891. The reversal of 18514853 is 35841581.

It is a cyclic number.

It is not a de Polignac number, because 18514853 - 2⁸ = 18514597 is a prime.

It is a super-2 number, since 2×18514853² = 685599563223218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18514813) 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 15 ways as a sum of consecutive naturals, for example, 18188 + ... + 19178.

It is an arithmetic number, because the mean of its divisors is an integer number (1410624).

Almost surely, 2^18514853 is an apocalyptic number.

It is an amenable number.

18514853 is a deficient number, since it is larger than the sum of its proper divisors (4055131).

18514853 is a wasteful number, since it uses less digits than its factorization.

18514853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its digits is 19200, while the sum is 35.

The square root of 18514853 is about 4302.8889132768. Note that the first 3 decimals coincide. The cubic root of 18514853 is about 264.5493848990.

The spelling of 18514853 in words is "eighteen million, five hundred fourteen thousand, eight hundred fifty-three".