28485017 has 8 divisors (see below), whose sum is σ = 32425920. Its totient is φ = 24769360.

The previous prime is 28485007. The next prime is 28485029. The reversal of 28485017 is 71058482.

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

It is not a de Polignac number, because 28485017 - 2⁸ = 28484761 is a prime.

It is a super-2 number, since 2×28485017² = 1622792386980578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28485007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56042 + ... + 56547.

It is an arithmetic number, because the mean of its divisors is an integer number (4053240).

Almost surely, 2^28485017 is an apocalyptic number.

It is an amenable number.

28485017 is a deficient number, since it is larger than the sum of its proper divisors (3940903).

28485017 is a wasteful number, since it uses less digits than its factorization.

28485017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112623.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 28485017 is about 5337.1356550120. The cubic root of 28485017 is about 305.4021998396.

The spelling of 28485017 in words is "twenty-eight million, four hundred eighty-five thousand, seventeen".