28794269 has 8 divisors (see below), whose sum is σ = 33054528. Its totient is φ = 24570720.

The previous prime is 28794239. The next prime is 28794281. The reversal of 28794269 is 96249782.

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

It is a cyclic number.

It is not a de Polignac number, because 28794269 - 2¹² = 28790173 is a prime.

It is a super-2 number, since 2×28794269² = 1658219854488722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28794239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7472 + ... + 10649.

It is an arithmetic number, because the mean of its divisors is an integer number (4131816).

Almost surely, 2^28794269 is an apocalyptic number.

It is an amenable number.

28794269 is a deficient number, since it is larger than the sum of its proper divisors (4260259).

28794269 is a wasteful number, since it uses less digits than its factorization.

28794269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18355.

The product of its digits is 435456, while the sum is 47.

The square root of 28794269 is about 5366.0291650344. The cubic root of 28794269 is about 306.5034395746.

The spelling of 28794269 in words is "twenty-eight million, seven hundred ninety-four thousand, two hundred sixty-nine".