394712384 has 112 divisors (see below), whose sum is σ = 939271680. Its totient is φ = 162455040.

The previous prime is 394712347. The next prime is 394712389. The reversal of 394712384 is 483217493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394712389) 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 15 ways as a sum of consecutive naturals, for example, 307007 + ... + 308289.

Almost surely, 2^394712384 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 394712384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469635840).

394712384 is an abundant number, since it is smaller than the sum of its proper divisors (544559296).

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

394712384 is a wasteful number, since it uses less digits than its factorization.

394712384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1338 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 394712384 is about 19867.3698309565. The cubic root of 394712384 is about 733.5452639994.

The spelling of 394712384 in words is "three hundred ninety-four million, seven hundred twelve thousand, three hundred eighty-four".