394524 has 48 divisors (see below), whose sum is σ = 1105440. Its totient is φ = 120960.

The previous prime is 394523. The next prime is 394529. The reversal of 394524 is 425493.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264 + ... + 1544.

It is an arithmetic number, because the mean of its divisors is an integer number (23030).

2³⁹⁴⁵²⁴ 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 394524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552720).

394524 is an abundant number, since it is smaller than the sum of its proper divisors (710916).

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

394524 is a wasteful number, since it uses less digits than its factorization.

394524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 299 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 394524 is about 628.1114550778. Note that the first 3 decimals coincide. The cubic root of 394524 is about 73.3428545948.

It can be divided in two parts, 3945 and 24, that added together give a square (3969 = 63²).

The spelling of 394524 in words is "three hundred ninety-four thousand, five hundred twenty-four".