6340312 has 32 divisors (see below), whose sum is σ = 13107600. Its totient is φ = 2851200.

The previous prime is 6340297. The next prime is 6340343. The reversal of 6340312 is 2130436.

It is a self number, because there is not a number n which added to its sum of digits gives 6340312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9262 + ... + 9922.

Almost surely, 2^6340312 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 6340312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6553800).

6340312 is an abundant number, since it is smaller than the sum of its proper divisors (6767288).

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

6340312 is a wasteful number, since it uses less digits than its factorization.

6340312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 6340312 is about 2517.9976171553. The cubic root of 6340312 is about 185.0845681049.

Adding to 6340312 its reverse (2130436), we get a palindrome (8470748).

The spelling of 6340312 in words is "six million, three hundred forty thousand, three hundred twelve".