396072226 has 32 divisors (see below), whose sum is σ = 667180800. Its totient is φ = 174788880.

The previous prime is 396072203. The next prime is 396072253. The reversal of 396072226 is 622270693.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168165 + ... + 170503.

It is an arithmetic number, because the mean of its divisors is an integer number (20849400).

Almost surely, 2^396072226 is an apocalyptic number.

396072226 is a deficient number, since it is larger than the sum of its proper divisors (271108574).

396072226 is a wasteful number, since it uses less digits than its factorization.

396072226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 396072226 is about 19901.5634059237. The cubic root of 396072226 is about 734.3866887676.

The spelling of 396072226 in words is "three hundred ninety-six million, seventy-two thousand, two hundred twenty-six".