28790302 has 8 divisors (see below), whose sum is σ = 43830216. Its totient is φ = 14180232.

The previous prime is 28790297. The next prime is 28790303. The reversal of 28790302 is 20309782.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28790303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107293 + ... + 107560.

It is an arithmetic number, because the mean of its divisors is an integer number (5478777).

Almost surely, 2^28790302 is an apocalyptic number.

28790302 is a deficient number, since it is larger than the sum of its proper divisors (15039914).

28790302 is a wasteful number, since it uses less digits than its factorization.

28790302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214922.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 28790302 is about 5365.6595121196. The cubic root of 28790302 is about 306.4893632204.

It can be divided in two parts, 28790 and 302, that added together give a palindrome (29092).

The spelling of 28790302 in words is "twenty-eight million, seven hundred ninety thousand, three hundred two".