18346332 has 48 divisors (see below), whose sum is σ = 45722880. Its totient is φ = 5705472.

The previous prime is 18346331. The next prime is 18346333. The reversal of 18346332 is 23364381.

It is an interprime number because it is at equal distance from previous prime (18346331) and next prime (18346333).

It is a self number, because there is not a number n which added to its sum of digits gives 18346332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18346331) 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, 28033 + ... + 28679.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^18346332 is an apocalyptic number.

18346332 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 18346332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22861440).

18346332 is an abundant number, since it is smaller than the sum of its proper divisors (27376548).

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

18346332 is a wasteful number, since it uses less digits than its factorization.

18346332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 808 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 18346332 is about 4283.2618411673. The cubic root of 18346332 is about 263.7443001696.

The spelling of 18346332 in words is "eighteen million, three hundred forty-six thousand, three hundred thirty-two".