8158946 has 16 divisors (see below), whose sum is σ = 13016376. Its totient is φ = 3822336.

The previous prime is 8158919. The next prime is 8158967. The reversal of 8158946 is 6498518.

It can be written as a sum of positive squares in 4 ways, for example, as 6558721 + 1600225 = 2561^2 + 1265^2 .

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, 10400 + ... + 11156.

Almost surely, 2^8158946 is an apocalyptic number.

8158946 is a deficient number, since it is larger than the sum of its proper divisors (4857430).

8158946 is a wasteful number, since it uses less digits than its factorization.

8158946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093.

The product of its digits is 69120, while the sum is 41.

The square root of 8158946 is about 2856.3868785583. The cubic root of 8158946 is about 201.3158733988.

The spelling of 8158946 in words is "eight million, one hundred fifty-eight thousand, nine hundred forty-six".