396165122 has 4 divisors (see below), whose sum is σ = 594247686. Its totient is φ = 198082560.

The previous prime is 396165113. The next prime is 396165157. The reversal of 396165122 is 221561693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 268271641 + 127893481 = 16379^2 + 11309^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99041279 + ... + 99041282.

Almost surely, 2^396165122 is an apocalyptic number.

396165122 is a deficient number, since it is larger than the sum of its proper divisors (198082564).

396165122 is a wasteful number, since it uses less digits than its factorization.

396165122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198082563.

The product of its digits is 19440, while the sum is 35.

The square root of 396165122 is about 19903.8971560848. The cubic root of 396165122 is about 734.4440993849. Note that the first 3 decimals are identical.

The spelling of 396165122 in words is "three hundred ninety-six million, one hundred sixty-five thousand, one hundred twenty-two".