396285447 has 8 divisors (see below), whose sum is σ = 529978240. Its totient is φ = 263391480.

The previous prime is 396285433. The next prime is 396285467. The reversal of 396285447 is 744582693.

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

It is not a de Polignac number, because 396285447 - 2⁸ = 396285191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396285396 and 396285405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396285467) 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 7 ways as a sum of consecutive naturals, for example, 198547 + ... + 200532.

It is an arithmetic number, because the mean of its divisors is an integer number (66247280).

Almost surely, 2^396285447 is an apocalyptic number.

396285447 is a deficient number, since it is larger than the sum of its proper divisors (133692793).

396285447 is a wasteful number, since it uses less digits than its factorization.

396285447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399413.

The product of its digits is 1451520, while the sum is 48.

The square root of 396285447 is about 19906.9195758661. The cubic root of 396285447 is about 734.5184480474.

The spelling of 396285447 in words is "three hundred ninety-six million, two hundred eighty-five thousand, four hundred forty-seven".