8061940 has 12 divisors (see below), whose sum is σ = 16930116. Its totient is φ = 3224768.

The previous prime is 8061931. The next prime is 8061997. The reversal of 8061940 is 491608.

It can be written as a sum of positive squares in 2 ways, for example, as 3283344 + 4778596 = 1812^2 + 2186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8061899 and 8061908.

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 in 3 ways as a sum of consecutive naturals, for example, 201529 + ... + 201568.

It is an arithmetic number, because the mean of its divisors is an integer number (1410843).

Almost surely, 2^8061940 is an apocalyptic number.

It is an amenable number.

8061940 is an abundant number, since it is smaller than the sum of its proper divisors (8868176).

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

8061940 is a wasteful number, since it uses less digits than its factorization.

8061940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403106 (or 403104 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8061940 is about 2839.3555606863. The cubic root of 8061940 is about 200.5148402272.

The spelling of 8061940 in words is "eight million, sixty-one thousand, nine hundred forty".