32130324 has 24 divisors (see below), whose sum is σ = 83301120. Its totient is φ = 10710072.

The previous prime is 32130277. The next prime is 32130337. The reversal of 32130324 is 42303123.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32130297 and 32130306.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 148644 + ... + 148859.

It is an arithmetic number, because the mean of its divisors is an integer number (3470880).

Almost surely, 2^32130324 is an apocalyptic number.

It is an amenable number.

32130324 is an abundant number, since it is smaller than the sum of its proper divisors (51170796).

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

32130324 is a wasteful number, since it uses less digits than its factorization.

32130324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297516 (or 297508 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 32130324 is about 5668.3616680660. The cubic root of 32130324 is about 317.9106192374.

Adding to 32130324 its reverse (42303123), we get a palindrome (74433447).

The spelling of 32130324 in words is "thirty-two million, one hundred thirty thousand, three hundred twenty-four".