4409724 has 36 divisors (see below), whose sum is σ = 11313512. Its totient is φ = 1335840.

The previous prime is 4409723. The next prime is 4409737. The reversal of 4409724 is 4279044.

It is a junction number, because it is equal to n+sod(n) for n = 4409691 and 4409700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409723) 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 11 ways as a sum of consecutive naturals, for example, 67 + ... + 2970.

Almost surely, 2^4409724 is an apocalyptic number.

4409724 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 4409724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5656756).

4409724 is an abundant number, since it is smaller than the sum of its proper divisors (6903788).

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

4409724 is a wasteful number, since it uses less digits than its factorization.

4409724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066 (or 3053 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4409724 is about 2099.9342846861. The cubic root of 4409724 is about 163.9848786375.

The spelling of 4409724 in words is "four million, four hundred nine thousand, seven hundred twenty-four".