18134850 has 24 divisors (see below), whose sum is σ = 44974800. Its totient is φ = 4835920.

The previous prime is 18134849. The next prime is 18134867. The reversal of 18134850 is 5843181.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 60300 + ... + 60599.

It is an arithmetic number, because the mean of its divisors is an integer number (1873950).

Almost surely, 2^18134850 is an apocalyptic number.

18134850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18134850 is an abundant number, since it is smaller than the sum of its proper divisors (26839950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18134850 is a wasteful number, since it uses less digits than its factorization.

18134850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120914 (or 120909 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 18134850 is about 4258.5032581883. The cubic root of 18134850 is about 262.7269692286.

The spelling of 18134850 in words is "eighteen million, one hundred thirty-four thousand, eight hundred fifty".