28035249 has 16 divisors (see below), whose sum is σ = 40872384. Its totient is φ = 16952000.

The previous prime is 28035223. The next prime is 28035263. The reversal of 28035249 is 94253082.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28035249 - 2⁹ = 28034737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (28035149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20899 + ... + 22199.

It is an arithmetic number, because the mean of its divisors is an integer number (2554524).

Almost surely, 2^28035249 is an apocalyptic number.

It is an amenable number.

28035249 is a deficient number, since it is larger than the sum of its proper divisors (12837135).

28035249 is a wasteful number, since it uses less digits than its factorization.

28035249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 28035249 is about 5294.8322919617. The cubic root of 28035249 is about 303.7862684258.

The spelling of 28035249 in words is "twenty-eight million, thirty-five thousand, two hundred forty-nine".