32130384 has 160 divisors (see below), whose sum is σ = 101326848. Its totient is φ = 8640000.

The previous prime is 32130367. The next prime is 32130407. The reversal of 32130384 is 48303123.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 31 ways as a sum of consecutive naturals, for example, 212709 + ... + 212859.

Almost surely, 2^32130384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32130384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50663424).

32130384 is an abundant number, since it is smaller than the sum of its proper divisors (69196464).

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

32130384 is a wasteful number, since it uses less digits than its factorization.

32130384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 32130384 is about 5668.3669605981. The cubic root of 32130384 is about 317.9108171255.

The spelling of 32130384 in words is "thirty-two million, one hundred thirty thousand, three hundred eighty-four".