3234240 has 84 divisors (see below), whose sum is σ = 11134344. Its totient is φ = 861696.

The previous prime is 3234239. The next prime is 3234241. The reversal of 3234240 is 424323.

It is an interprime number because it is at equal distance from previous prime (3234239) and next prime (3234241).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3234241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2319 + ... + 3441.

Almost surely, 2^3234240 is an apocalyptic number.

3234240 is a gapful number since it is divisible by the number (30) 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 3234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5567172).

3234240 is an abundant number, since it is smaller than the sum of its proper divisors (7900104).

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

3234240 is a wasteful number, since it uses less digits than its factorization.

3234240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3234240 is about 1798.3992882561. The cubic root of 3234240 is about 147.8849849050.

Adding to 3234240 its reverse (424323), we get a palindrome (3658563).

The spelling of 3234240 in words is "three million, two hundred thirty-four thousand, two hundred forty".