28354435 has 4 divisors (see below), whose sum is σ = 34025328. Its totient is φ = 22683544.

The previous prime is 28354433. The next prime is 28354439. The reversal of 28354435 is 53445382.

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 28354435 - 2¹ = 28354433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28354435.

It is not an unprimeable number, because it can be changed into a prime (28354433) 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, 2835439 + ... + 2835448.

It is an arithmetic number, because the mean of its divisors is an integer number (8506332).

Almost surely, 2^28354435 is an apocalyptic number.

28354435 is a deficient number, since it is larger than the sum of its proper divisors (5670893).

28354435 is an equidigital number, since it uses as much as digits as its factorization.

28354435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670892.

The product of its digits is 57600, while the sum is 34.

The square root of 28354435 is about 5324.8882617385. Note that the first 3 decimals coincide. The cubic root of 28354435 is about 304.9348064547.

The spelling of 28354435 in words is "twenty-eight million, three hundred fifty-four thousand, four hundred thirty-five".