4230840 has 32 divisors (see below), whose sum is σ = 12692880. Its totient is φ = 1128192.

The previous prime is 4230817. The next prime is 4230847. The reversal of 4230840 is 480324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4230847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17509 + ... + 17748.

Almost surely, 2^4230840 is an apocalyptic number.

4230840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4230840 is an abundant number, since it is smaller than the sum of its proper divisors (8462040).

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

4230840 is a wasteful number, since it uses less digits than its factorization.

4230840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35271 (or 35267 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4230840 is about 2056.9005809713. The cubic root of 4230840 is about 161.7368078158.

The spelling of 4230840 in words is "four million, two hundred thirty thousand, eight hundred forty".