28923195 has 16 divisors (see below), whose sum is σ = 52888320. Its totient is φ = 13221984.

The previous prime is 28923161. The next prime is 28923203. The reversal of 28923195 is 59132982.

28923195 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 28923195 - 2¹¹ = 28921147 is a prime.

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, 137625 + ... + 137834.

It is an arithmetic number, because the mean of its divisors is an integer number (3305520).

Almost surely, 2^28923195 is an apocalyptic number.

28923195 is a deficient number, since it is larger than the sum of its proper divisors (23965125).

28923195 is a wasteful number, since it uses less digits than its factorization.

28923195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275474.

The product of its digits is 38880, while the sum is 39.

The square root of 28923195 is about 5378.0289140167. The cubic root of 28923195 is about 306.9602136969.

The spelling of 28923195 in words is "twenty-eight million, nine hundred twenty-three thousand, one hundred ninety-five".