906402212 has 6 divisors (see below), whose sum is σ = 1586203878. Its totient is φ = 453201104.

The previous prime is 906402173. The next prime is 906402223. The reversal of 906402212 is 212204609.

It can be written as a sum of positive squares in only one way, i.e., 906371236 + 30976 = 30106^2 + 176^2 .

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 as a sum of consecutive naturals, namely, 113300273 + ... + 113300280.

It is an arithmetic number, because the mean of its divisors is an integer number (264367313).

Almost surely, 2^906402212 is an apocalyptic number.

It is an amenable number.

906402212 is a deficient number, since it is larger than the sum of its proper divisors (679801666).

906402212 is a wasteful number, since it uses less digits than its factorization.

906402212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226600557 (or 226600555 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 906402212 is about 30106.5144445517. The cubic root of 906402212 is about 967.7733358711.

The spelling of 906402212 in words is "nine hundred six million, four hundred two thousand, two hundred twelve".