32290328 has 16 divisors (see below), whose sum is σ = 69193680. Its totient is φ = 13838688.

The previous prime is 32290301. The next prime is 32290333. The reversal of 32290328 is 82309223.

It is a self number, because there is not a number n which added to its sum of digits gives 32290328.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 288251 + ... + 288362.

It is an arithmetic number, because the mean of its divisors is an integer number (4324605).

Almost surely, 2^32290328 is an apocalyptic number.

It is an amenable number.

32290328 is an abundant number, since it is smaller than the sum of its proper divisors (36903352).

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

32290328 is a wasteful number, since it uses less digits than its factorization.

32290328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576626 (or 576622 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 32290328 is about 5682.4579188939. The cubic root of 32290328 is about 318.4374607659.

The spelling of 32290328 in words is "thirty-two million, two hundred ninety thousand, three hundred twenty-eight".