524394 has 48 divisors (see below), whose sum is σ = 1284192. Its totient is φ = 159408.

The previous prime is 524389. The next prime is 524411. The reversal of 524394 is 493425.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 524394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6277 + ... + 6359.

It is an arithmetic number, because the mean of its divisors is an integer number (26754).

524394 is a Friedman number, since it can be written as (53+4^9)*(4-2), using all its digits and the basic arithmetic operations.

2⁵²⁴³⁹⁴ is an apocalyptic number.

524394 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 524394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642096).

524394 is an abundant number, since it is smaller than the sum of its proper divisors (759798).

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

524394 is a wasteful number, since it uses less digits than its factorization.

524394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 101 counting only the distinct ones).

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

The square root of 524394 is about 724.1505368361. The cubic root of 524394 is about 80.6403810569.

The spelling of 524394 in words is "five hundred twenty-four thousand, three hundred ninety-four".