28246169 has 8 divisors (see below), whose sum is σ = 32323008. Its totient is φ = 24179760.

The previous prime is 28246159. The next prime is 28246189. The reversal of 28246169 is 96164282.

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 28246169 - 2¹² = 28242073 is a prime.

It is a super-2 number, since 2×28246169² = 1595692126353122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28246159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4499 + ... + 8759.

It is an arithmetic number, because the mean of its divisors is an integer number (4040376).

Almost surely, 2^28246169 is an apocalyptic number.

It is an amenable number.

28246169 is a deficient number, since it is larger than the sum of its proper divisors (4076839).

28246169 is an equidigital number, since it uses as much as digits as its factorization.

28246169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215.

The product of its digits is 41472, while the sum is 38.

The square root of 28246169 is about 5314.7125039836. The cubic root of 28246169 is about 304.5461996350.

The spelling of 28246169 in words is "twenty-eight million, two hundred forty-six thousand, one hundred sixty-nine".