18348495 has 32 divisors (see below), whose sum is σ = 32569344. Its totient is φ = 8745600.

The previous prime is 18348493. The next prime is 18348511. The reversal of 18348495 is 59484381.

It is not a de Polignac number, because 18348495 - 2¹ = 18348493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18348493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9154 + ... + 10976.

It is an arithmetic number, because the mean of its divisors is an integer number (1017792).

Almost surely, 2^18348495 is an apocalyptic number.

18348495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18348495 is a deficient number, since it is larger than the sum of its proper divisors (14220849).

18348495 is a wasteful number, since it uses less digits than its factorization.

18348495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903.

The product of its digits is 138240, while the sum is 42.

The square root of 18348495 is about 4283.5143282123. The cubic root of 18348495 is about 263.7546647573.

The spelling of 18348495 in words is "eighteen million, three hundred forty-eight thousand, four hundred ninety-five".