8194212 has 36 divisors (see below), whose sum is σ = 22307740. Its totient is φ = 2521152.

The previous prime is 8194183. The next prime is 8194213. The reversal of 8194212 is 2124918.

It can be written as a sum of positive squares in 2 ways, for example, as 443556 + 7750656 = 666^2 + 2784^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×8194212² = 134290220601888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8194213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8287 + ... + 9222.

Almost surely, 2^8194212 is an apocalyptic number.

It is an amenable number.

8194212 is an abundant number, since it is smaller than the sum of its proper divisors (14113528).

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

8194212 is a wasteful number, since it uses less digits than its factorization.

8194212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532 (or 17527 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 8194212 is about 2862.5534056153. The cubic root of 8194212 is about 201.6055105259.

The spelling of 8194212 in words is "eight million, one hundred ninety-four thousand, two hundred twelve".