396546188 has 24 divisors (see below), whose sum is σ = 739737600. Its totient is φ = 185457168.

The previous prime is 396546187. The next prime is 396546193. The reversal of 396546188 is 881645693.

It is not an unprimeable number, because it can be changed into a prime (396546187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27020 + ... + 39027.

It is an arithmetic number, because the mean of its divisors is an integer number (30822400).

Almost surely, 2^396546188 is an apocalyptic number.

396546188 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

396546188 is a deficient number, since it is larger than the sum of its proper divisors (343191412).

396546188 is a wasteful number, since it uses less digits than its factorization.

396546188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66149 (or 66147 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 396546188 is about 19913.4675031748. The cubic root of 396546188 is about 734.6795079495.

The spelling of 396546188 in words is "three hundred ninety-six million, five hundred forty-six thousand, one hundred eighty-eight".