391600226 has 8 divisors (see below), whose sum is σ = 601060944. Its totient is φ = 191246580.

The previous prime is 391600217. The next prime is 391600243. The reversal of 391600226 is 622006193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276660 + ... + 2276831.

It is an arithmetic number, because the mean of its divisors is an integer number (75132618).

Almost surely, 2^391600226 is an apocalyptic number.

391600226 is a deficient number, since it is larger than the sum of its proper divisors (209460718).

391600226 is a wasteful number, since it uses less digits than its factorization.

391600226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553536.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 391600226 is about 19788.8914798177. The cubic root of 391600226 is about 731.6122656670.

The spelling of 391600226 in words is "three hundred ninety-one million, six hundred thousand, two hundred twenty-six".