4389024 has 48 divisors (see below), whose sum is σ = 11642400. Its totient is φ = 1447680.

The previous prime is 4389023. The next prime is 4389029. The reversal of 4389024 is 4209834.

It is a happy number.

It is a Cunningham number, because it is equal to 2095²-1.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 4388982 and 4389000.

It is not an unprimeable number, because it can be changed into a prime (4389023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12402 + ... + 12750.

It is an arithmetic number, because the mean of its divisors is an integer number (242550).

Almost surely, 2^4389024 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 4389024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5821200).

4389024 is an abundant number, since it is smaller than the sum of its proper divisors (7253376).

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

4389024 is a wasteful number, since it uses less digits than its factorization.

4389024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4389024 is about 2094.9997613365. Note that the first 3 decimals coincide. The cubic root of 4389024 is about 163.7278850542.

The spelling of 4389024 in words is "four million, three hundred eighty-nine thousand, twenty-four".