8442259 has 16 divisors (see below), whose sum is σ = 9971200. Its totient is φ = 7144200.

The previous prime is 8442229. The next prime is 8442263. The reversal of 8442259 is 9522448.

It is not a de Polignac number, because 8442259 - 2⁷ = 8442131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8442229) 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, 51712 + ... + 51874.

It is an arithmetic number, because the mean of its divisors is an integer number (623200).

Almost surely, 2^8442259 is an apocalyptic number.

8442259 is a deficient number, since it is larger than the sum of its proper divisors (1528941).

8442259 is a wasteful number, since it uses less digits than its factorization.

8442259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 321 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 8442259 is about 2905.5565731887. The cubic root of 8442259 is about 203.6195893498.

The spelling of 8442259 in words is "eight million, four hundred forty-two thousand, two hundred fifty-nine".