28329059 has 4 divisors (see below), whose sum is σ = 30904440. Its totient is φ = 25753680.

The previous prime is 28329053. The next prime is 28329061. The reversal of 28329059 is 95092382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28329059 - 2¹² = 28324963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28329053) 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, 1287674 + ... + 1287695.

It is an arithmetic number, because the mean of its divisors is an integer number (7726110).

Almost surely, 2^28329059 is an apocalyptic number.

28329059 is a deficient number, since it is larger than the sum of its proper divisors (2575381).

28329059 is a wasteful number, since it uses less digits than its factorization.

28329059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575380.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 28329059 is about 5322.5049553758. The cubic root of 28329059 is about 304.8438114575.

The spelling of 28329059 in words is "twenty-eight million, three hundred twenty-nine thousand, fifty-nine".