4230660 has 72 divisors (see below), whose sum is σ = 13789440. Its totient is φ = 966336.

The previous prime is 4230659. The next prime is 4230661. The reversal of 4230660 is 660324.

It is an interprime number because it is at equal distance from previous prime (4230659) and next prime (4230661).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4230661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2221 + ... + 3659.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

Almost surely, 2^4230660 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 4230660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6894720).

4230660 is an abundant number, since it is smaller than the sum of its proper divisors (9558780).

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

4230660 is a wasteful number, since it uses less digits than its factorization.

4230660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4230660 is about 2056.8568253527. The cubic root of 4230660 is about 161.7345140996.

Adding to 4230660 its reverse (660324), we get a palindrome (4890984).

The spelling of 4230660 in words is "four million, two hundred thirty thousand, six hundred sixty".