8156794 has 4 divisors (see below), whose sum is σ = 12235194. Its totient is φ = 4078396.

The previous prime is 8156779. The next prime is 8156807. The reversal of 8156794 is 4976518.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4678569 + 3478225 = 2163^2 + 1865^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039197 + ... + 2039200.

Almost surely, 2^8156794 is an apocalyptic number.

8156794 is a deficient number, since it is larger than the sum of its proper divisors (4078400).

8156794 is a wasteful number, since it uses less digits than its factorization.

8156794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078399.

The product of its digits is 60480, while the sum is 40.

The square root of 8156794 is about 2856.0101540436. The cubic root of 8156794 is about 201.2981721804.

The spelling of 8156794 in words is "eight million, one hundred fifty-six thousand, seven hundred ninety-four".