32997384 has 144 divisors (see below), whose sum is σ = 106704000. Its totient is φ = 9180864.

The previous prime is 32997379. The next prime is 32997427. The reversal of 32997384 is 48379923.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165717 + ... + 165915.

It is an arithmetic number, because the mean of its divisors is an integer number (741000).

Almost surely, 2^32997384 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 32997384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53352000).

32997384 is an abundant number, since it is smaller than the sum of its proper divisors (73706616).

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

32997384 is a wasteful number, since it uses less digits than its factorization.

32997384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 258 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 32997384 is about 5744.3349484514. The cubic root of 32997384 is about 320.7449571091.

The spelling of 32997384 in words is "thirty-two million, nine hundred ninety-seven thousand, three hundred eighty-four".