28341667 has 4 divisors (see below), whose sum is σ = 29107696. Its totient is φ = 27575640.

The previous prime is 28341661. The next prime is 28341689. The reversal of 28341667 is 76614382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28341667 - 2⁷ = 28341539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 765991 = 28341667 / (2 + 8 + 3 + 4 + 1 + 6 + 6 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28341661) 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, 382959 + ... + 383032.

It is an arithmetic number, because the mean of its divisors is an integer number (7276924).

Almost surely, 2^28341667 is an apocalyptic number.

28341667 is a deficient number, since it is larger than the sum of its proper divisors (766029).

28341667 is an equidigital number, since it uses as much as digits as its factorization.

28341667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766028.

The product of its digits is 48384, while the sum is 37.

The square root of 28341667 is about 5323.6892283453. The cubic root of 28341667 is about 304.8890288758.

The spelling of 28341667 in words is "twenty-eight million, three hundred forty-one thousand, six hundred sixty-seven".