28417024 has 22 divisors (see below), whose sum is σ = 56808344. Its totient is φ = 14208000.

The previous prime is 28417019. The next prime is 28417031. The reversal of 28417024 is 42071482.

It is a junction number, because it is equal to n+sod(n) for n = 28416983 and 28417001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12852 + ... + 14899.

Almost surely, 2^28417024 is an apocalyptic number.

It is an amenable number.

28417024 is a deficient number, since it is larger than the sum of its proper divisors (28391320).

28417024 is an equidigital number, since it uses as much as digits as its factorization.

28417024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27771 (or 27753 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 28417024 is about 5330.7620468372. The cubic root of 28417024 is about 305.1590105198.

The spelling of 28417024 in words is "twenty-eight million, four hundred seventeen thousand, twenty-four".