8040212 has 6 divisors (see below), whose sum is σ = 14070378. Its totient is φ = 4020104.

The previous prime is 8040169. The next prime is 8040217. The reversal of 8040212 is 2120408.

It can be written as a sum of positive squares in only one way, i.e., 4056196 + 3984016 = 2014^2 + 1996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040217) by changing a digit.

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 as a sum of consecutive naturals, namely, 1005023 + ... + 1005030.

It is an arithmetic number, because the mean of its divisors is an integer number (2345063).

Almost surely, 2^8040212 is an apocalyptic number.

It is an amenable number.

8040212 is a deficient number, since it is larger than the sum of its proper divisors (6030166).

8040212 is a wasteful number, since it uses less digits than its factorization.

8040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010057 (or 2010055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 8040212 is about 2835.5267588228. The cubic root of 8040212 is about 200.3345401026.

The spelling of 8040212 in words is "eight million, forty thousand, two hundred twelve".