28555435 has 4 divisors (see below), whose sum is σ = 34266528. Its totient is φ = 22844344.

The previous prime is 28555363. The next prime is 28555447. The reversal of 28555435 is 53455582.

It is a happy number.

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 28555435 - 2²³ = 20166827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28555394 and 28555403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855539 + ... + 2855548.

It is an arithmetic number, because the mean of its divisors is an integer number (8566632).

Almost surely, 2^28555435 is an apocalyptic number.

28555435 is a deficient number, since it is larger than the sum of its proper divisors (5711093).

28555435 is an equidigital number, since it uses as much as digits as its factorization.

28555435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711092.

The product of its digits is 120000, while the sum is 37.

The square root of 28555435 is about 5343.7285672085. The cubic root of 28555435 is about 305.6536550151.

The spelling of 28555435 in words is "twenty-eight million, five hundred fifty-five thousand, four hundred thirty-five".