394684048 has 40 divisors (see below), whose sum is σ = 870497856. Its totient is φ = 171600000.

The previous prime is 394684039. The next prime is 394684049. The reversal of 394684048 is 840486493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 394683989 and 394684007.

It is not an unprimeable number, because it can be changed into a prime (394684049) 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, 44703 + ... + 52798.

Almost surely, 2^394684048 is an apocalyptic number.

It is an amenable number.

394684048 is an abundant number, since it is smaller than the sum of its proper divisors (475813808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394684048 is a wasteful number, since it uses less digits than its factorization.

394684048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97543 (or 97537 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 394684048 is about 19866.6566890355. The cubic root of 394684048 is about 733.5277100903.

The spelling of 394684048 in words is "three hundred ninety-four million, six hundred eighty-four thousand, forty-eight".