28448135 has 8 divisors (see below), whose sum is σ = 34285680. Its totient is φ = 22659904.

The previous prime is 28448129. The next prime is 28448141. The reversal of 28448135 is 53184482.

It is an interprime number because it is at equal distance from previous prime (28448129) and next prime (28448141).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28448135 - 2⁶ = 28448071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28448095 and 28448104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11045 + ... + 13374.

It is an arithmetic number, because the mean of its divisors is an integer number (4285710).

Almost surely, 2^28448135 is an apocalyptic number.

28448135 is a deficient number, since it is larger than the sum of its proper divisors (5837545).

28448135 is a wasteful number, since it uses less digits than its factorization.

28448135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24657.

The product of its digits is 30720, while the sum is 35.

The square root of 28448135 is about 5333.6793116947. The cubic root of 28448135 is about 305.2703327501.

The spelling of 28448135 in words is "twenty-eight million, four hundred forty-eight thousand, one hundred thirty-five".