2433240 has 80 divisors (see below), whose sum is σ = 8189280. Its totient is φ = 648000.

The previous prime is 2433217. The next prime is 2433247. The reversal of 2433240 is 423342.

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 (2433247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2865 + ... + 3615.

It is an arithmetic number, because the mean of its divisors is an integer number (102366).

2^2433240 is an apocalyptic number.

2433240 is a gapful number since it is divisible by the number (20) 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 2433240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4094640).

2433240 is an abundant number, since it is smaller than the sum of its proper divisors (5756040).

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

2433240 is a wasteful number, since it uses less digits than its factorization.

2433240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 761 counting only the distinct ones).

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

The square root of 2433240 is about 1559.8846111171. The cubic root of 2433240 is about 134.5018679232.

Adding to 2433240 its reverse (423342), we get a palindrome (2856582).

The spelling of 2433240 in words is "two million, four hundred thirty-three thousand, two hundred forty".