394199232 has 224 divisors, whose sum is σ = 1287475200. Its totient is φ = 103928832.

The previous prime is 394199209. The next prime is 394199243. The reversal of 394199232 is 232991493.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1097869 + ... + 1098227.

Almost surely, 2^394199232 is an apocalyptic number.

394199232 is a gapful number since it is divisible by the number (32) 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 394199232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643737600).

394199232 is an abundant number, since it is smaller than the sum of its proper divisors (893275968).

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

394199232 is a wasteful number, since it uses less digits than its factorization.

394199232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 433 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 394199232 is about 19854.4511885874. The cubic root of 394199232 is about 733.2272404831.

The spelling of 394199232 in words is "three hundred ninety-four million, one hundred ninety-nine thousand, two hundred thirty-two".