28753235 has 16 divisors (see below), whose sum is σ = 39936000. Its totient is φ = 19465056.

The previous prime is 28753223. The next prime is 28753253. The reversal of 28753235 is 53235782.

It is a cyclic number.

It is not a de Polignac number, because 28753235 - 2¹⁰ = 28752211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 28753195 and 28753204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2435 + ... + 7964.

It is an arithmetic number, because the mean of its divisors is an integer number (2496000).

Almost surely, 2^28753235 is an apocalyptic number.

28753235 is a deficient number, since it is larger than the sum of its proper divisors (11182765).

28753235 is a wasteful number, since it uses less digits than its factorization.

28753235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490.

The product of its digits is 50400, while the sum is 35.

The square root of 28753235 is about 5362.2043042018. The cubic root of 28753235 is about 306.3577735360.

The spelling of 28753235 in words is "twenty-eight million, seven hundred fifty-three thousand, two hundred thirty-five".