396982855 has 8 divisors (see below), whose sum is σ = 478278864. Its totient is φ = 316320000.

The previous prime is 396982847. The next prime is 396982867. The reversal of 396982855 is 558289693.

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

It is not a de Polignac number, because 396982855 - 2³ = 396982847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396982796 and 396982805.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 156906 + ... + 159415.

It is an arithmetic number, because the mean of its divisors is an integer number (59784858).

Almost surely, 2^396982855 is an apocalyptic number.

396982855 is a deficient number, since it is larger than the sum of its proper divisors (81296009).

396982855 is a wasteful number, since it uses less digits than its factorization.

396982855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316577.

The product of its digits is 4665600, while the sum is 55.

The square root of 396982855 is about 19924.4285990841. The cubic root of 396982855 is about 734.9490794162.

The spelling of 396982855 in words is "three hundred ninety-six million, nine hundred eighty-two thousand, eight hundred fifty-five".