4521924 has 72 divisors (see below), whose sum is σ = 13147680. Its totient is φ = 1296000.

The previous prime is 4521899. The next prime is 4521929. The reversal of 4521924 is 4291254.

It is not an unprimeable number, because it can be changed into a prime (4521929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7224 + ... + 7824.

Almost surely, 2^4521924 is an apocalyptic number.

4521924 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4521924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6573840).

4521924 is an abundant number, since it is smaller than the sum of its proper divisors (8625756).

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

4521924 is a wasteful number, since it uses less digits than its factorization.

4521924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 636 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4521924 is about 2126.4816011431. The cubic root of 4521924 is about 165.3640446909.

It can be divided in two parts, 4521 and 924, that added together give a palindrome (5445).

The spelling of 4521924 in words is "four million, five hundred twenty-one thousand, nine hundred twenty-four".