28417101 has 4 divisors (see below), whose sum is σ = 37889472. Its totient is φ = 18944732.

The previous prime is 28417099. The next prime is 28417117. The reversal of 28417101 is 10171482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28417101 - 2¹ = 28417099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28412101) 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 3 ways as a sum of consecutive naturals, for example, 4736181 + ... + 4736186.

It is an arithmetic number, because the mean of its divisors is an integer number (9472368).

Almost surely, 2^28417101 is an apocalyptic number.

It is an amenable number.

28417101 is a deficient number, since it is larger than the sum of its proper divisors (9472371).

28417101 is an equidigital number, since it uses as much as digits as its factorization.

28417101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472370.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 28417101 is about 5330.7692690643. The cubic root of 28417101 is about 305.1592861435.

Adding to 28417101 its reverse (10171482), we get a palindrome (38588583).

The spelling of 28417101 in words is "twenty-eight million, four hundred seventeen thousand, one hundred one".