8009156 has 6 divisors (see below), whose sum is σ = 14016030. Its totient is φ = 4004576.

The previous prime is 8009149. The next prime is 8009161. The reversal of 8009156 is 6519008.

It can be written as a sum of positive squares in only one way, i.e., 8008900 + 256 = 2830^2 + 16^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001141 + ... + 1001148.

It is an arithmetic number, because the mean of its divisors is an integer number (2336005).

Almost surely, 2^8009156 is an apocalyptic number.

It is an amenable number.

8009156 is a deficient number, since it is larger than the sum of its proper divisors (6006874).

8009156 is a wasteful number, since it uses less digits than its factorization.

8009156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002293 (or 2002291 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 8009156 is about 2830.0452293205. The cubic root of 8009156 is about 200.0762709100.

The spelling of 8009156 in words is "eight million, nine thousand, one hundred fifty-six".