924420 has 96 divisors (see below), whose sum is σ = 3096576. Its totient is φ = 201600.

The previous prime is 924419. The next prime is 924421. The reversal of 924420 is 24429.

It is an interprime number because it is at equal distance from previous prime (924419) and next prime (924421).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 924420.

It is not an unprimeable number, because it can be changed into a prime (924421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12985 + ... + 13055.

It is an arithmetic number, because the mean of its divisors is an integer number (32256).

2⁹²⁴⁴²⁰ 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 924420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548288).

924420 is an abundant number, since it is smaller than the sum of its proper divisors (2172156).

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

924420 is a wasteful number, since it uses less digits than its factorization.

924420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 924420 is about 961.4676281602. The cubic root of 924420 is about 97.4143890186.

Adding to 924420 its reverse (24429), we get a palindrome (948849).

The spelling of 924420 in words is "nine hundred twenty-four thousand, four hundred twenty".