18324932 has 6 divisors (see below), whose sum is σ = 32068638. Its totient is φ = 9162464.

The previous prime is 18324931. The next prime is 18324941. The reversal of 18324932 is 23942381.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13719616 + 4605316 = 3704^2 + 2146^2 .

It is not an unprimeable number, because it can be changed into a prime (18324931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2290613 + ... + 2290620.

It is an arithmetic number, because the mean of its divisors is an integer number (5344773).

Almost surely, 2^18324932 is an apocalyptic number.

It is an amenable number.

18324932 is a deficient number, since it is larger than the sum of its proper divisors (13743706).

18324932 is a wasteful number, since it uses less digits than its factorization.

18324932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581237 (or 4581235 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 18324932 is about 4280.7630160989. The cubic root of 18324932 is about 263.6417124703.

The spelling of 18324932 in words is "eighteen million, three hundred twenty-four thousand, nine hundred thirty-two".