8009158 has 4 divisors (see below), whose sum is σ = 12013740. Its totient is φ = 4004578.

The previous prime is 8009149. The next prime is 8009161. The reversal of 8009158 is 8519008.

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

It is a super-2 number, since 2×8009158² = 128293223737928, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2002288 + ... + 2002291.

It is an arithmetic number, because the mean of its divisors is an integer number (3003435).

Almost surely, 2^8009158 is an apocalyptic number.

8009158 is a deficient number, since it is larger than the sum of its proper divisors (4004582).

8009158 is a wasteful number, since it uses less digits than its factorization.

8009158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004581.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 8009158 is about 2830.0455826718. The cubic root of 8009158 is about 200.0762875640.

The spelling of 8009158 in words is "eight million, nine thousand, one hundred fifty-eight".