406302212 has 12 divisors (see below), whose sum is σ = 722685516. Its totient is φ = 199820640.

The previous prime is 406302203. The next prime is 406302241. The reversal of 406302212 is 212203604.

It can be written as a sum of positive squares in 2 ways, for example, as 18369796 + 387932416 = 4286^2 + 19696^2 .

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, 832343 + ... + 832830.

It is an arithmetic number, because the mean of its divisors is an integer number (60223793).

Almost surely, 2^406302212 is an apocalyptic number.

It is an amenable number.

406302212 is a deficient number, since it is larger than the sum of its proper divisors (316383304).

406302212 is a wasteful number, since it uses less digits than its factorization.

406302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665238 (or 1665236 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 406302212 is about 20156.9395494455. The cubic root of 406302212 is about 740.6557445313.

Adding to 406302212 its reverse (212203604), we get a palindrome (618505816).

The spelling of 406302212 in words is "four hundred six million, three hundred two thousand, two hundred twelve".