394709000868 has 432 divisors, whose sum is σ = 1300940432064. Its totient is φ = 103719087360.

The previous prime is 394709000837. The next prime is 394709000947. The reversal of 394709000868 is 868000907493.

394709000868 is a `hidden beast` number, since 3 + 9 + 470 + 90 + 0 + 0 + 86 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 196273983 + ... + 196275993.

Almost surely, 2^394709000868 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 394709000868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650470216032).

394709000868 is an abundant number, since it is smaller than the sum of its proper divisors (906231431196).

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

394709000868 is a wasteful number, since it uses less digits than its factorization.

394709000868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 394709000868 in words is "three hundred ninety-four billion, seven hundred nine million, eight hundred sixty-eight", and thus it is an aban number.