18341850 has 24 divisors (see below), whose sum is σ = 45488160. Its totient is φ = 4891120.

The previous prime is 18341849. The next prime is 18341857. The reversal of 18341850 is 5814381.

It is a super-2 number, since 2×18341850² = 672846922845000, which contains 22 as substring.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18341857) 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 11 ways as a sum of consecutive naturals, for example, 60990 + ... + 61289.

It is an arithmetic number, because the mean of its divisors is an integer number (1895340).

Almost surely, 2^18341850 is an apocalyptic number.

18341850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18341850 is an abundant number, since it is smaller than the sum of its proper divisors (27146310).

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

18341850 is a wasteful number, since it uses less digits than its factorization.

18341850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122294 (or 122289 counting only the distinct ones).

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

The square root of 18341850 is about 4282.7386098150. The cubic root of 18341850 is about 263.7228208855.

It can be divided in two parts, 18341 and 850, that added together give a palindrome (19191).

The spelling of 18341850 in words is "eighteen million, three hundred forty-one thousand, eight hundred fifty".