4232440 has 32 divisors (see below), whose sum is σ = 10026000. Its totient is φ = 1603584.

The previous prime is 4232413. The next prime is 4232443. The reversal of 4232440 is 442324.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4232443) 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, 2025 + ... + 3544.

Almost surely, 2^4232440 is an apocalyptic number.

4232440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4232440 is an abundant number, since it is smaller than the sum of its proper divisors (5793560).

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

4232440 is a wasteful number, since it uses less digits than its factorization.

4232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599 (or 5595 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4232440 is about 2057.2894789018. The cubic root of 4232440 is about 161.7571935452.

Adding to 4232440 its reverse (442324), we get a palindrome (4674764).

The spelling of 4232440 in words is "four million, two hundred thirty-two thousand, four hundred forty".