394806204 has 192 divisors, whose sum is σ = 1168097280. Its totient is φ = 114462720.

The previous prime is 394806127. The next prime is 394806233. The reversal of 394806204 is 402608493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2045532 + ... + 2045724.

It is an arithmetic number, because the mean of its divisors is an integer number (6083840).

Almost surely, 2^394806204 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 394806204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584048640).

394806204 is an abundant number, since it is smaller than the sum of its proper divisors (773291076).

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

394806204 is a wasteful number, since it uses less digits than its factorization.

394806204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 394806204 is about 19869.7308487055. The cubic root of 394806204 is about 733.6033786904.

The spelling of 394806204 in words is "three hundred ninety-four million, eight hundred six thousand, two hundred four".