394223600 has 60 divisors (see below), whose sum is σ = 950467440. Its totient is φ = 157132800.

The previous prime is 394223597. The next prime is 394223623. The reversal of 394223600 is 6322493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122816 + ... + 125984.

It is an arithmetic number, because the mean of its divisors is an integer number (15841124).

Almost surely, 2^394223600 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 394223600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475233720).

394223600 is an abundant number, since it is smaller than the sum of its proper divisors (556243840).

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

394223600 is a wasteful number, since it uses less digits than its factorization.

394223600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498 (or 3487 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 394223600 is about 19855.0648450213. The cubic root of 394223600 is about 733.2423486753.

The spelling of 394223600 in words is "three hundred ninety-four million, two hundred twenty-three thousand, six hundred".