4230540 has 72 divisors (see below), whose sum is σ = 13518960. Its totient is φ = 1067904.

The previous prime is 4230493. The next prime is 4230571. The reversal of 4230540 is 450324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2802 + ... + 4038.

Almost surely, 2^4230540 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 4230540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6759480).

4230540 is an abundant number, since it is smaller than the sum of its proper divisors (9288420).

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

4230540 is a wasteful number, since it uses less digits than its factorization.

4230540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4230540 is about 2056.8276544232. The cubic root of 4230540 is about 161.7329849193.

Adding to 4230540 its reverse (450324), we get a palindrome (4680864).

The spelling of 4230540 in words is "four million, two hundred thirty thousand, five hundred forty".