4231240 has 64 divisors (see below), whose sum is σ = 10483200. Its totient is φ = 1527552.

The previous prime is 4231229. The next prime is 4231247. The reversal of 4231240 is 421324.

It is not an unprimeable number, because it can be changed into a prime (4231247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41029 + ... + 41131.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

Almost surely, 2^4231240 is an apocalyptic number.

4231240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4231240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5241600).

4231240 is an abundant number, since it is smaller than the sum of its proper divisors (6251960).

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

4231240 is a wasteful number, since it uses less digits than its factorization.

4231240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4231240 is about 2056.9978123469. The cubic root of 4231240 is about 161.7419047299.

Adding to 4231240 its reverse (421324), we get a palindrome (4652564).

The spelling of 4231240 in words is "four million, two hundred thirty-one thousand, two hundred forty".