8161794 has 24 divisors (see below), whose sum is σ = 17792892. Its totient is φ = 2703840.

The previous prime is 8161763. The next prime is 8161807. The reversal of 8161794 is 4971618.

It can be written as a sum of positive squares in 2 ways, for example, as 6827769 + 1334025 = 2613^2 + 1155^2 .

It is a super-2 number, since 2×8161794² = 133229762596872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1804 + ... + 4424.

Almost surely, 2^8161794 is an apocalyptic number.

8161794 is an abundant number, since it is smaller than the sum of its proper divisors (9631098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8161794 is a wasteful number, since it uses less digits than its factorization.

8161794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802 (or 2799 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 8161794 is about 2856.8853669687. The cubic root of 8161794 is about 201.3392947618.

The spelling of 8161794 in words is "eight million, one hundred sixty-one thousand, seven hundred ninety-four".