28963195 has 4 divisors (see below), whose sum is σ = 34755840. Its totient is φ = 23170552.

The previous prime is 28963177. The next prime is 28963213. The reversal of 28963195 is 59136982.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (28963177) and next prime (28963213).

It is a cyclic number.

It is not a de Polignac number, because 28963195 - 2¹¹ = 28961147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2896315 + ... + 2896324.

It is an arithmetic number, because the mean of its divisors is an integer number (8688960).

Almost surely, 2^28963195 is an apocalyptic number.

28963195 is a deficient number, since it is larger than the sum of its proper divisors (5792645).

28963195 is an equidigital number, since it uses as much as digits as its factorization.

28963195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792644.

The product of its digits is 116640, while the sum is 43.

The square root of 28963195 is about 5381.7464637420. The cubic root of 28963195 is about 307.1016544179.

The spelling of 28963195 in words is "twenty-eight million, nine hundred sixty-three thousand, one hundred ninety-five".