28455359 has 4 divisors (see below), whose sum is σ = 28468320. Its totient is φ = 28442400.

The previous prime is 28455337. The next prime is 28455373. The reversal of 28455359 is 95355482.

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 28455359 - 2¹² = 28451263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28455319) 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, 2279 + ... + 7880.

It is an arithmetic number, because the mean of its divisors is an integer number (7117080).

Almost surely, 2^28455359 is an apocalyptic number.

28455359 is a deficient number, since it is larger than the sum of its proper divisors (12961).

28455359 is a wasteful number, since it uses less digits than its factorization.

28455359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12960.

The product of its digits is 216000, while the sum is 41.

The square root of 28455359 is about 5334.3564747774. The cubic root of 28455359 is about 305.2961702522.

The spelling of 28455359 in words is "twenty-eight million, four hundred fifty-five thousand, three hundred fifty-nine".