394382744 has 64 divisors (see below), whose sum is σ = 878530560. Its totient is φ = 162414720.

The previous prime is 394382707. The next prime is 394382761. The reversal of 394382744 is 447283493.

It is a junction number, because it is equal to n+sod(n) for n = 394382695 and 394382704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271829 + ... + 273275.

It is an arithmetic number, because the mean of its divisors is an integer number (13727040).

Almost surely, 2^394382744 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 394382744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439265280).

394382744 is an abundant number, since it is smaller than the sum of its proper divisors (484147816).

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

394382744 is a wasteful number, since it uses less digits than its factorization.

394382744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1644 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 394382744 is about 19859.0720830556. The cubic root of 394382744 is about 733.3410028583.

The spelling of 394382744 in words is "three hundred ninety-four million, three hundred eighty-two thousand, seven hundred forty-four".