394834944 has 264 divisors, whose sum is σ = 1273201248. Its totient is φ = 108380160.

The previous prime is 394834943. The next prime is 394834949. The reversal of 394834944 is 449438493.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 394834893 and 394834902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394834943) 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, 6472674 + ... + 6472734.

It is an arithmetic number, because the mean of its divisors is an integer number (4822732).

Almost surely, 2^394834944 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 394834944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636600624).

394834944 is an abundant number, since it is smaller than the sum of its proper divisors (878366304).

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

394834944 is a wasteful number, since it uses less digits than its factorization.

394834944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 116 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The square root of 394834944 is about 19870.4540461460. The cubic root of 394834944 is about 733.6211791955.

The spelling of 394834944 in words is "three hundred ninety-four million, eight hundred thirty-four thousand, nine hundred forty-four".