394680468 has 192 divisors, whose sum is σ = 1192181760. Its totient is φ = 98841600.

The previous prime is 394680457. The next prime is 394680469. The reversal of 394680468 is 864086493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394680469) 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 63 ways as a sum of consecutive naturals, for example, 3012763 + ... + 3012893.

It is an arithmetic number, because the mean of its divisors is an integer number (6209280).

Almost surely, 2^394680468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394680468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596090880).

394680468 is an abundant number, since it is smaller than the sum of its proper divisors (797501292).

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

394680468 is a wasteful number, since it uses less digits than its factorization.

394680468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 394680468 is about 19866.5665881148. The cubic root of 394680468 is about 733.5254922512.

The spelling of 394680468 in words is "three hundred ninety-four million, six hundred eighty thousand, four hundred sixty-eight".