396924286 has 12 divisors (see below), whose sum is σ = 654433416. Its totient is φ = 180420020.

The previous prime is 396924257. The next prime is 396924289. The reversal of 396924286 is 682429693.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396924289) 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 5 ways as a sum of consecutive naturals, for example, 819850 + ... + 820333.

It is an arithmetic number, because the mean of its divisors is an integer number (54536118).

Almost surely, 2^396924286 is an apocalyptic number.

396924286 is a deficient number, since it is larger than the sum of its proper divisors (257509130).

396924286 is a wasteful number, since it uses less digits than its factorization.

396924286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640207 (or 1640196 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 49.

The square root of 396924286 is about 19922.9587662074. The cubic root of 396924286 is about 734.9129339847.

The spelling of 396924286 in words is "three hundred ninety-six million, nine hundred twenty-four thousand, two hundred eighty-six".