28864353 has 16 divisors (see below), whose sum is σ = 44211200. Its totient is φ = 16408656.

The previous prime is 28864349. The next prime is 28864361. The reversal of 28864353 is 35346882.

It is not a de Polignac number, because 28864353 - 2² = 28864349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28864343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726 + ... + 7632.

It is an arithmetic number, because the mean of its divisors is an integer number (2763200).

Almost surely, 2^28864353 is an apocalyptic number.

It is an amenable number.

28864353 is a deficient number, since it is larger than the sum of its proper divisors (15346847).

28864353 is a wasteful number, since it uses less digits than its factorization.

28864353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116.

The product of its digits is 138240, while the sum is 39.

The square root of 28864353 is about 5372.5555371722. Note that the first 4 decimals coincide. The cubic root of 28864353 is about 306.7519101140.

The spelling of 28864353 in words is "twenty-eight million, eight hundred sixty-four thousand, three hundred fifty-three".