396039982 has 8 divisors (see below), whose sum is σ = 639756936. Its totient is φ = 182787672.

The previous prime is 396039977. The next prime is 396039983. The reversal of 396039982 is 289930693.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396039983) 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, 7616128 + ... + 7616179.

It is an arithmetic number, because the mean of its divisors is an integer number (79969617).

Almost surely, 2^396039982 is an apocalyptic number.

396039982 is a deficient number, since it is larger than the sum of its proper divisors (243716954).

396039982 is a wasteful number, since it uses less digits than its factorization.

396039982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15232322.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 396039982 is about 19900.7533023250. The cubic root of 396039982 is about 734.3667595683.

The spelling of 396039982 in words is "three hundred ninety-six million, thirty-nine thousand, nine hundred eighty-two".