28341249 has 16 divisors (see below), whose sum is σ = 38491200. Its totient is φ = 18546176.

The previous prime is 28341239. The next prime is 28341253. The reversal of 28341249 is 94214382.

It is not a de Polignac number, because 28341249 - 2⁴ = 28341233 is a prime.

Its product of digits (13824) is a multiple of the sum of its prime divisors (864).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28341239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47497 + ... + 48089.

It is an arithmetic number, because the mean of its divisors is an integer number (2405700).

Almost surely, 2^28341249 is an apocalyptic number.

It is an amenable number.

28341249 is a deficient number, since it is larger than the sum of its proper divisors (10149951).

28341249 is a wasteful number, since it uses less digits than its factorization.

28341249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its digits is 13824, while the sum is 33.

The square root of 28341249 is about 5323.6499697106. The cubic root of 28341249 is about 304.8875299727.

The spelling of 28341249 in words is "twenty-eight million, three hundred forty-one thousand, two hundred forty-nine".