32457328 has 20 divisors (see below), whose sum is σ = 62975880. Its totient is φ = 16205504.

The previous prime is 32457323. The next prime is 32457343. The reversal of 32457328 is 82375423.

It is a junction number, because it is equal to n+sod(n) for n = 32457293 and 32457302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32457323) 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 in 3 ways as a sum of consecutive naturals, for example, 18138 + ... + 19846.

It is an arithmetic number, because the mean of its divisors is an integer number (3148794).

Almost surely, 2^32457328 is an apocalyptic number.

It is an amenable number.

32457328 is a deficient number, since it is larger than the sum of its proper divisors (30518552).

32457328 is a wasteful number, since it uses less digits than its factorization.

32457328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904 (or 2898 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 32457328 is about 5697.1333142204. The cubic root of 32457328 is about 318.9854849382.

The spelling of 32457328 in words is "thirty-two million, four hundred fifty-seven thousand, three hundred twenty-eight".