32328857 has 4 divisors (see below), whose sum is σ = 35267856. Its totient is φ = 29389860.

The previous prime is 32328847. The next prime is 32328859. The reversal of 32328857 is 75882323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32328857 - 2¹⁶ = 32263321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32328857.

It is not an unprimeable number, because it can be changed into a prime (32328859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469483 + ... + 1469504.

It is an arithmetic number, because the mean of its divisors is an integer number (8816964).

Almost surely, 2^32328857 is an apocalyptic number.

It is an amenable number.

32328857 is a deficient number, since it is larger than the sum of its proper divisors (2938999).

32328857 is a wasteful number, since it uses less digits than its factorization.

32328857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938998.

The product of its digits is 80640, while the sum is 38.

The square root of 32328857 is about 5685.8470784924. The cubic root of 32328857 is about 318.5640642111.

The spelling of 32328857 in words is "thirty-two million, three hundred twenty-eight thousand, eight hundred fifty-seven".