8442969 has 8 divisors (see below), whose sum is σ = 11271552. Its totient is φ = 5621520.

The previous prime is 8442947. The next prime is 8442971. The reversal of 8442969 is 9692448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8442969 - 2⁵ = 8442937 is a prime.

It is a super-2 number, since 2×8442969² = 142567451069922, which contains 22 as substring.

8442969 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8442969.

It is not an unprimeable number, because it can be changed into a prime (8442979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2352 + ... + 4734.

It is an arithmetic number, because the mean of its divisors is an integer number (1408944).

Almost surely, 2^8442969 is an apocalyptic number.

It is an amenable number.

8442969 is a deficient number, since it is larger than the sum of its proper divisors (2828583).

8442969 is a wasteful number, since it uses less digits than its factorization.

8442969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567.

The product of its digits is 124416, while the sum is 42.

The square root of 8442969 is about 2905.6787503095. The cubic root of 8442969 is about 203.6252973740.

The spelling of 8442969 in words is "eight million, four hundred forty-two thousand, nine hundred sixty-nine".