28654305 has 8 divisors (see below), whose sum is σ = 45846912. Its totient is φ = 15282288.

The previous prime is 28654289. The next prime is 28654309. The reversal of 28654305 is 50345682.

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

It is not a de Polignac number, because 28654305 - 2⁴ = 28654289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28654309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955129 + ... + 955158.

It is an arithmetic number, because the mean of its divisors is an integer number (5730864).

Almost surely, 2^28654305 is an apocalyptic number.

It is an amenable number.

28654305 is a deficient number, since it is larger than the sum of its proper divisors (17192607).

28654305 is a wasteful number, since it uses less digits than its factorization.

28654305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910295.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 28654305 is about 5352.9716046323. The cubic root of 28654305 is about 306.0060125266.

Adding to 28654305 its reverse (50345682), we get a palindrome (78999987).

The spelling of 28654305 in words is "twenty-eight million, six hundred fifty-four thousand, three hundred five".