8158394 has 16 divisors (see below), whose sum is σ = 12719616. Its totient is φ = 3920400.

The previous prime is 8158387. The next prime is 8158411. The reversal of 8158394 is 4938518.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10859 + ... + 11585.

It is an arithmetic number, because the mean of its divisors is an integer number (794976).

Almost surely, 2^8158394 is an apocalyptic number.

8158394 is a deficient number, since it is larger than the sum of its proper divisors (4561222).

8158394 is a wasteful number, since it uses less digits than its factorization.

8158394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its digits is 34560, while the sum is 38.

The square root of 8158394 is about 2856.2902513575. The cubic root of 8158394 is about 201.3113332344.

The spelling of 8158394 in words is "eight million, one hundred fifty-eight thousand, three hundred ninety-four".