394933800 has 192 divisors, whose sum is σ = 1339200000. Its totient is φ = 95846400.

The previous prime is 394933751. The next prime is 394933807. The reversal of 394933800 is 8339493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394933807) 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 47 ways as a sum of consecutive naturals, for example, 315576 + ... + 316824.

It is an arithmetic number, because the mean of its divisors is an integer number (6975000).

Almost surely, 2^394933800 is an apocalyptic number.

394933800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394933800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669600000).

394933800 is an abundant number, since it is smaller than the sum of its proper divisors (944266200).

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

394933800 is a wasteful number, since it uses less digits than its factorization.

394933800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 394933800 is about 19872.9414028221. The cubic root of 394933800 is about 733.6824003924.

The spelling of 394933800 in words is "three hundred ninety-four million, nine hundred thirty-three thousand, eight hundred".