28300355 has 4 divisors (see below), whose sum is σ = 33960432. Its totient is φ = 22640280.

The previous prime is 28300351. The next prime is 28300369. The reversal of 28300355 is 55300382.

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

It is not a de Polignac number, because 28300355 - 2² = 28300351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28300351) 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, 2830031 + ... + 2830040.

It is an arithmetic number, because the mean of its divisors is an integer number (8490108).

Almost surely, 2^28300355 is an apocalyptic number.

28300355 is a deficient number, since it is larger than the sum of its proper divisors (5660077).

28300355 is an equidigital number, since it uses as much as digits as its factorization.

28300355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660076.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 28300355 is about 5319.8077972799. The cubic root of 28300355 is about 304.7408171696.

The spelling of 28300355 in words is "twenty-eight million, three hundred thousand, three hundred fifty-five".