8194840 has 16 divisors (see below), whose sum is σ = 18438480. Its totient is φ = 3277920.

The previous prime is 8194787. The next prime is 8194841. The reversal of 8194840 is 484918.

It is a super-3 number, since 3×8194840³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8194796 and 8194805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8194841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102396 + ... + 102475.

It is an arithmetic number, because the mean of its divisors is an integer number (1152405).

Almost surely, 2^8194840 is an apocalyptic number.

It is an amenable number.

8194840 is an abundant number, since it is smaller than the sum of its proper divisors (10243640).

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

8194840 is a wasteful number, since it uses less digits than its factorization.

8194840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204882 (or 204878 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 8194840 is about 2862.6630957904. The cubic root of 8194840 is about 201.6106607069.

The spelling of 8194840 in words is "eight million, one hundred ninety-four thousand, eight hundred forty".