28487435 has 4 divisors (see below), whose sum is σ = 34184928. Its totient is φ = 22789944.

The previous prime is 28487429. The next prime is 28487443. The reversal of 28487435 is 53478482.

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 28487435 - 2¹² = 28483339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28487392 and 28487401.

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, 2848739 + ... + 2848748.

It is an arithmetic number, because the mean of its divisors is an integer number (8546232).

Almost surely, 2^28487435 is an apocalyptic number.

28487435 is a deficient number, since it is larger than the sum of its proper divisors (5697493).

28487435 is an equidigital number, since it uses as much as digits as its factorization.

28487435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697492.

The product of its digits is 215040, while the sum is 41.

The square root of 28487435 is about 5337.3621762065. The cubic root of 28487435 is about 305.4108411266.

The spelling of 28487435 in words is "twenty-eight million, four hundred eighty-seven thousand, four hundred thirty-five".