28341889 has 8 divisors (see below), whose sum is σ = 29603520. Its totient is φ = 27106416.

The previous prime is 28341883. The next prime is 28341899. The reversal of 28341889 is 98814382.

28341889 = 582² + 583² + ... + 655².

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 28341889 - 2¹⁵ = 28309121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28341883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4309 + ... + 8674.

It is an arithmetic number, because the mean of its divisors is an integer number (3700440).

Almost surely, 2^28341889 is an apocalyptic number.

It is an amenable number.

28341889 is a deficient number, since it is larger than the sum of its proper divisors (1261631).

28341889 is a wasteful number, since it uses less digits than its factorization.

28341889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13079.

The product of its digits is 110592, while the sum is 43.

The square root of 28341889 is about 5323.7100785073. The cubic root of 28341889 is about 304.8898249380.

The spelling of 28341889 in words is "twenty-eight million, three hundred forty-one thousand, eight hundred eighty-nine".