4423660 has 36 divisors (see below), whose sum is σ = 9657648. Its totient is φ = 1701952.

The previous prime is 4423649. The next prime is 4423667. The reversal of 4423660 is 663244.

It is not an unprimeable number, because it can be changed into a prime (4423667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16689 + ... + 16951.

It is an arithmetic number, because the mean of its divisors is an integer number (268268).

Almost surely, 2^4423660 is an apocalyptic number.

4423660 is the 1052-nd decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4423660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4828824).

4423660 is an abundant number, since it is smaller than the sum of its proper divisors (5233988).

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

4423660 is a wasteful number, since it uses less digits than its factorization.

4423660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4423660 is about 2103.2498662784. The cubic root of 4423660 is about 164.1574434882.

The spelling of 4423660 in words is "four million, four hundred twenty-three thousand, six hundred sixty".