28896339 has 4 divisors (see below), whose sum is σ = 38528456. Its totient is φ = 19264224.

The previous prime is 28896337. The next prime is 28896347. The reversal of 28896339 is 93369882.

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

It is not a de Polignac number, because 28896339 - 2¹ = 28896337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28896337) 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, 4816054 + ... + 4816059.

It is an arithmetic number, because the mean of its divisors is an integer number (9632114).

Almost surely, 2^28896339 is an apocalyptic number.

28896339 is a deficient number, since it is larger than the sum of its proper divisors (9632117).

28896339 is an equidigital number, since it uses as much as digits as its factorization.

28896339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9632116.

The product of its digits is 559872, while the sum is 48.

The square root of 28896339 is about 5375.5315086045. The cubic root of 28896339 is about 306.8651772124.

The spelling of 28896339 in words is "twenty-eight million, eight hundred ninety-six thousand, three hundred thirty-nine".