824940 has 36 divisors (see below), whose sum is σ = 2502864. Its totient is φ = 219936.

The previous prime is 824939. The next prime is 824947. The reversal of 824940 is 49428.

824940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (824947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2112 + ... + 2471.

It is an arithmetic number, because the mean of its divisors is an integer number (69524).

2⁸²⁴⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

824940 is an abundant number, since it is smaller than the sum of its proper divisors (1677924).

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

824940 is a wasteful number, since it uses less digits than its factorization.

824940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598 (or 4593 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 824940 is about 908.2620767157. The cubic root of 824940 is about 93.7865990436.

It can be divided in two parts, 824 and 940, that added together give a square (1764 = 42²).

The spelling of 824940 in words is "eight hundred twenty-four thousand, nine hundred forty".