2440312 has 16 divisors (see below), whose sum is σ = 5229360. Its totient is φ = 1045824.

The previous prime is 2440301. The next prime is 2440313. The reversal of 2440312 is 2130442.

2440312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21733 + ... + 21844.

It is an arithmetic number, because the mean of its divisors is an integer number (326835).

2^2440312 is an apocalyptic number.

It is an amenable number.

2440312 is an abundant number, since it is smaller than the sum of its proper divisors (2789048).

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

2440312 is a wasteful number, since it uses less digits than its factorization.

2440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43590 (or 43586 counting only the distinct ones).

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

The square root of 2440312 is about 1562.1498007554. The cubic root of 2440312 is about 134.6320478713.

Adding to 2440312 its reverse (2130442), we get a palindrome (4570754).

The spelling of 2440312 in words is "two million, four hundred forty thousand, three hundred twelve".