312340624 has 40 divisors (see below), whose sum is σ = 639959040. Its totient is φ = 147436800.

The previous prime is 312340619. The next prime is 312340627. The reversal of 312340624 is 426043213.

It is not an unprimeable number, because it can be changed into a prime (312340627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12657 + ... + 28015.

It is an arithmetic number, because the mean of its divisors is an integer number (15998976).

Almost surely, 2^312340624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312340624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319979520).

312340624 is an abundant number, since it is smaller than the sum of its proper divisors (327618416).

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

312340624 is a wasteful number, since it uses less digits than its factorization.

312340624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15439 (or 15433 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 312340624 is about 17673.1611207503. The cubic root of 312340624 is about 678.4890210587.

Adding to 312340624 its reverse (426043213), we get a palindrome (738383837).

The spelling of 312340624 in words is "three hundred twelve million, three hundred forty thousand, six hundred twenty-four".