396660922 has 8 divisors (see below), whose sum is σ = 679990176. Its totient is φ = 169997532.

The previous prime is 396660899. The next prime is 396660923. The reversal of 396660922 is 229066693.

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

It is not an unprimeable number, because it can be changed into a prime (396660923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14166448 + ... + 14166475.

It is an arithmetic number, because the mean of its divisors is an integer number (84998772).

Almost surely, 2^396660922 is an apocalyptic number.

396660922 is a deficient number, since it is larger than the sum of its proper divisors (283329254).

396660922 is a wasteful number, since it uses less digits than its factorization.

396660922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28332932.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 396660922 is about 19916.3481090284. The cubic root of 396660922 is about 734.7503568551.

The spelling of 396660922 in words is "three hundred ninety-six million, six hundred sixty thousand, nine hundred twenty-two".