18341832 has 64 divisors (see below), whose sum is σ = 48038400. Its totient is φ = 5829120.

The previous prime is 18341831. The next prime is 18341837. The reversal of 18341832 is 23814381.

It is a super-2 number, since 2×18341832² = 672845602232448, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18341832.

It is not an unprimeable number, because it can be changed into a prime (18341831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66078 + ... + 66354.

It is an arithmetic number, because the mean of its divisors is an integer number (750600).

Almost surely, 2^18341832 is an apocalyptic number.

18341832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18341832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24019200).

18341832 is an abundant number, since it is smaller than the sum of its proper divisors (29696568).

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

18341832 is a wasteful number, since it uses less digits than its factorization.

18341832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 402 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 18341832 is about 4282.7365083554. The cubic root of 18341832 is about 263.7227346163.

The spelling of 18341832 in words is "eighteen million, three hundred forty-one thousand, eight hundred thirty-two".