28652833 has 4 divisors (see below), whose sum is σ = 31257648. Its totient is φ = 26048020.

The previous prime is 28652821. The next prime is 28652857. The reversal of 28652833 is 33825682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28652833 - 2⁵ = 28652801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28652792 and 28652801.

It is not an unprimeable number, because it can be changed into a prime (28652873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302391 + ... + 1302412.

It is an arithmetic number, because the mean of its divisors is an integer number (7814412).

Almost surely, 2^28652833 is an apocalyptic number.

It is an amenable number.

28652833 is a deficient number, since it is larger than the sum of its proper divisors (2604815).

28652833 is a wasteful number, since it uses less digits than its factorization.

28652833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604814.

The product of its digits is 69120, while the sum is 37.

The square root of 28652833 is about 5352.8341091426. The cubic root of 28652833 is about 306.0007724930. Note that the first 3 decimals are identical.

The spelling of 28652833 in words is "twenty-eight million, six hundred fifty-two thousand, eight hundred thirty-three".