18034455 has 16 divisors (see below), whose sum is σ = 28919520. Its totient is φ = 9596928.

The previous prime is 18034453. The next prime is 18034463. The reversal of 18034455 is 55443081.

It is not a de Polignac number, because 18034455 - 2¹ = 18034453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7479 + ... + 9591.

It is an arithmetic number, because the mean of its divisors is an integer number (1807470).

Almost surely, 2^18034455 is an apocalyptic number.

18034455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18034455 is a deficient number, since it is larger than the sum of its proper divisors (10885065).

18034455 is a wasteful number, since it uses less digits than its factorization.

18034455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 18034455 is about 4246.6993065203. The cubic root of 18034455 is about 262.2412507005.

The spelling of 18034455 in words is "eighteen million, thirty-four thousand, four hundred fifty-five".