8247042 has 16 divisors (see below), whose sum is σ = 18326880. Its totient is φ = 2748996.

The previous prime is 8246993. The next prime is 8247077. The reversal of 8247042 is 2407428.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 8246997 and 8247015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76308 + ... + 76415.

It is an arithmetic number, because the mean of its divisors is an integer number (1145430).

Almost surely, 2^8247042 is an apocalyptic number.

8247042 is an abundant number, since it is smaller than the sum of its proper divisors (10079838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8247042 is a wasteful number, since it uses less digits than its factorization.

8247042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152734 (or 152728 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 8247042 is about 2871.7663553987. The cubic root of 8247042 is about 202.0378486736.

The spelling of 8247042 in words is "eight million, two hundred forty-seven thousand, forty-two".