4405530 has 64 divisors (see below), whose sum is σ = 11404800. Its totient is φ = 1085760.

The previous prime is 4405523. The next prime is 4405543. The reversal of 4405530 is 355044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4405497 and 4405506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33565 + ... + 33695.

It is an arithmetic number, because the mean of its divisors is an integer number (178200).

Almost surely, 2^4405530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4405530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5702400).

4405530 is an abundant number, since it is smaller than the sum of its proper divisors (6999270).

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

4405530 is a wasteful number, since it uses less digits than its factorization.

4405530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 4405530 is about 2098.9354444575. The cubic root of 4405530 is about 163.9328745717.

The spelling of 4405530 in words is "four million, four hundred five thousand, five hundred thirty".