28975435 has 4 divisors (see below), whose sum is σ = 34770528. Its totient is φ = 23180344.

The previous prime is 28975417. The next prime is 28975439. The reversal of 28975435 is 53457982.

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 28975435 - 2⁷ = 28975307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28975391 and 28975400.

It is not an unprimeable number, because it can be changed into a prime (28975439) 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, 2897539 + ... + 2897548.

It is an arithmetic number, because the mean of its divisors is an integer number (8692632).

Almost surely, 2^28975435 is an apocalyptic number.

28975435 is a deficient number, since it is larger than the sum of its proper divisors (5795093).

28975435 is an equidigital number, since it uses as much as digits as its factorization.

28975435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795092.

The product of its digits is 302400, while the sum is 43.

The square root of 28975435 is about 5382.8835209393. The cubic root of 28975435 is about 307.1449092551.

The spelling of 28975435 in words is "twenty-eight million, nine hundred seventy-five thousand, four hundred thirty-five".