924021 has 16 divisors (see below), whose sum is σ = 1564800. Its totient is φ = 527904.

The previous prime is 924019. The next prime is 924023. The reversal of 924021 is 120429.

It is an interprime number because it is at equal distance from previous prime (924019) and next prime (924023).

It is not a de Polignac number, because 924021 - 2¹ = 924019 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 923985 and 924003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (924023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2256 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (97800).

2⁹²⁴⁰²¹ is an apocalyptic number.

It is an amenable number.

924021 is a deficient number, since it is larger than the sum of its proper divisors (640779).

924021 is a wasteful number, since it uses less digits than its factorization.

924021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905 (or 4899 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 924021 is about 961.2601104800. The cubic root of 924021 is about 97.4003716042.

It can be divided in two parts, 9240 and 21, that added together give a cube (9261 = 21³).

The spelling of 924021 in words is "nine hundred twenty-four thousand, twenty-one".