28797194 has 8 divisors (see below), whose sum is σ = 43256160. Its totient is φ = 14378476.

The previous prime is 28797193. The next prime is 28797239. The reversal of 28797194 is 49179782.

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

It is not an unprimeable number, because it can be changed into a prime (28797191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8204 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (5407020).

Almost surely, 2^28797194 is an apocalyptic number.

28797194 is a deficient number, since it is larger than the sum of its proper divisors (14458966).

28797194 is a wasteful number, since it uses less digits than its factorization.

28797194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20124.

The product of its digits is 254016, while the sum is 47.

The square root of 28797194 is about 5366.3017060169. The cubic root of 28797194 is about 306.5138177069.

The spelling of 28797194 in words is "twenty-eight million, seven hundred ninety-seven thousand, one hundred ninety-four".