394829424 has 160 divisors (see below), whose sum is σ = 1301702400. Its totient is φ = 113322240.

The previous prime is 394829417. The next prime is 394829453. The reversal of 394829424 is 424928493.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 394829424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88102 + ... + 92474.

It is an arithmetic number, because the mean of its divisors is an integer number (8135640).

Almost surely, 2^394829424 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 394829424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650851200).

394829424 is an abundant number, since it is smaller than the sum of its proper divisors (906872976).

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

394829424 is a wasteful number, since it uses less digits than its factorization.

394829424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420 (or 4408 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 394829424 is about 19870.3151459659. The cubic root of 394829424 is about 733.6177603763.

The spelling of 394829424 in words is "three hundred ninety-four million, eight hundred twenty-nine thousand, four hundred twenty-four".