396506099 has 4 divisors (see below), whose sum is σ = 432552120. Its totient is φ = 360460080.

The previous prime is 396506083. The next prime is 396506111. The reversal of 396506099 is 990605693.

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

It is a cyclic number.

It is not a de Polignac number, because 396506099 - 2⁴ = 396506083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396506599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18022994 + ... + 18023015.

It is an arithmetic number, because the mean of its divisors is an integer number (108138030).

Almost surely, 2^396506099 is an apocalyptic number.

396506099 is a deficient number, since it is larger than the sum of its proper divisors (36046021).

396506099 is a wasteful number, since it uses less digits than its factorization.

396506099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36046020.

The product of its (nonzero) digits is 393660, while the sum is 47.

The square root of 396506099 is about 19912.4608976389. The cubic root of 396506099 is about 734.6547495394.

The spelling of 396506099 in words is "three hundred ninety-six million, five hundred six thousand, ninety-nine".