394316352 has 168 divisors, whose sum is σ = 1181587680. Its totient is φ = 125614080.

The previous prime is 394316339. The next prime is 394316357. The reversal of 394316352 is 253613493.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (394316357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1393203 + ... + 1393485.

It is an arithmetic number, because the mean of its divisors is an integer number (7033260).

Almost surely, 2^394316352 is an apocalyptic number.

394316352 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 394316352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590793840).

394316352 is an abundant number, since it is smaller than the sum of its proper divisors (787271328).

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

394316352 is a wasteful number, since it uses less digits than its factorization.

394316352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 388 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 394316352 is about 19857.4004340951. The cubic root of 394316352 is about 733.2998493435.

The spelling of 394316352 in words is "three hundred ninety-four million, three hundred sixteen thousand, three hundred fifty-two".