28260335 has 4 divisors (see below), whose sum is σ = 33912408. Its totient is φ = 22608264.

The previous prime is 28260329. The next prime is 28260361. The reversal of 28260335 is 53306282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53306282 = 2 ⋅26653141.

It is a cyclic number.

It is not a de Polignac number, because 28260335 - 2⁴ = 28260319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28260298 and 28260307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2826029 + ... + 2826038.

It is an arithmetic number, because the mean of its divisors is an integer number (8478102).

Almost surely, 2^28260335 is an apocalyptic number.

28260335 is a deficient number, since it is larger than the sum of its proper divisors (5652073).

28260335 is an equidigital number, since it uses as much as digits as its factorization.

28260335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5652072.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 28260335 is about 5316.0450524803. The cubic root of 28260335 is about 304.5971030625.

The spelling of 28260335 in words is "twenty-eight million, two hundred sixty thousand, three hundred thirty-five".