8158242 has 16 divisors (see below), whose sum is σ = 16346880. Its totient is φ = 2714352.

The previous prime is 8158229. The next prime is 8158243. The reversal of 8158242 is 2428518.

It is not an unprimeable number, because it can be changed into a prime (8158243) 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, 3759 + ... + 5517.

It is an arithmetic number, because the mean of its divisors is an integer number (1021680).

Almost surely, 2^8158242 is an apocalyptic number.

8158242 is an abundant number, since it is smaller than the sum of its proper divisors (8188638).

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

8158242 is a wasteful number, since it uses less digits than its factorization.

8158242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537.

The product of its digits is 5120, while the sum is 30.

The square root of 8158242 is about 2856.2636432935. The cubic root of 8158242 is about 201.3100830082.

The spelling of 8158242 in words is "eight million, one hundred fifty-eight thousand, two hundred forty-two".