394200000 has 336 divisors, whose sum is σ = 1468343520. Its totient is φ = 103680000.

The previous prime is 394199983. The next prime is 394200043. The reversal of 394200000 is 2493.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5399964 + ... + 5400036.

It is an arithmetic number, because the mean of its divisors is an integer number (4370070).

Almost surely, 2^394200000 is an apocalyptic number.

394200000 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 394200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734171760).

394200000 is an abundant number, since it is smaller than the sum of its proper divisors (1074143520).

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

394200000 is an frugal number, since it uses more digits than its factorization.

394200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 394200000 is about 19854.4705293292. The cubic root of 394200000 is about 733.2277166536.

Adding to 394200000 its reverse (2493), we get a palindrome (394202493).

The spelling of 394200000 in words is "three hundred ninety-four million, two hundred thousand".