4312540 has 24 divisors (see below), whose sum is σ = 9186912. Its totient is φ = 1700160.

The previous prime is 4312537. The next prime is 4312541. The reversal of 4312540 is 452134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312541) 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, 99 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (382788).

Almost surely, 2^4312540 is an apocalyptic number.

It is an amenable number.

4312540 is an abundant number, since it is smaller than the sum of its proper divisors (4874372).

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

4312540 is a wasteful number, since it uses less digits than its factorization.

4312540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3115 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4312540 is about 2076.6655965754. The cubic root of 4312540 is about 162.7712550392.

Adding to 4312540 its reverse (452134), we get a palindrome (4764674).

The spelling of 4312540 in words is "four million, three hundred twelve thousand, five hundred forty".