28654169 has 8 divisors (see below), whose sum is σ = 29804160. Its totient is φ = 27524016.

The previous prime is 28654133. The next prime is 28654181. The reversal of 28654169 is 96145682.

It is a happy number.

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 28654169 - 2¹² = 28650073 is a prime.

It is a super-2 number, since 2×28654169² = 1642122802161122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28654669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979 + ... + 7824.

It is an arithmetic number, because the mean of its divisors is an integer number (3725520).

Almost surely, 2^28654169 is an apocalyptic number.

It is an amenable number.

28654169 is a deficient number, since it is larger than the sum of its proper divisors (1149991).

28654169 is an equidigital number, since it uses as much as digits as its factorization.

28654169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9919.

The product of its digits is 103680, while the sum is 41.

The square root of 28654169 is about 5352.9589013928. The cubic root of 28654169 is about 306.0055284006.

The spelling of 28654169 in words is "twenty-eight million, six hundred fifty-four thousand, one hundred sixty-nine".