8442243 has 6 divisors (see below), whose sum is σ = 12194364. Its totient is φ = 5628156.

The previous prime is 8442229. The next prime is 8442263. The reversal of 8442243 is 3422448.

It is a happy number.

It is not a de Polignac number, because 8442243 - 2⁹ = 8441731 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 4² + 4² + 2⁷ + 2²³ + 4⁵ + 3⁹ .

It is not an unprimeable number, because it can be changed into a prime (8442223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469005 + ... + 469022.

It is an arithmetic number, because the mean of its divisors is an integer number (2032394).

Almost surely, 2^8442243 is an apocalyptic number.

8442243 is a deficient number, since it is larger than the sum of its proper divisors (3752121).

8442243 is a wasteful number, since it uses less digits than its factorization.

8442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938033 (or 938030 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 8442243 is about 2905.5538198423. The cubic root of 8442243 is about 203.6194607146.

The spelling of 8442243 in words is "eight million, four hundred forty-two thousand, two hundred forty-three".