6312656 has 40 divisors (see below), whose sum is σ = 14106240. Its totient is φ = 2680704.

The previous prime is 6312641. The next prime is 6312659. The reversal of 6312656 is 6562136.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6312659) 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, 17405 + ... + 17763.

It is an arithmetic number, because the mean of its divisors is an integer number (352656).

Almost surely, 2^6312656 is an apocalyptic number.

It is a pronic number, being equal to 2512×2513.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6312656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7053120).

6312656 is an abundant number, since it is smaller than the sum of its proper divisors (7793584).

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

6312656 is a wasteful number, since it uses less digits than its factorization.

6312656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 525 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 6312656 is about 2512.4999502488. The cubic root of 6312656 is about 184.8150672048.

Adding to 6312656 its product of digits (6480), we get a palindrome (6319136).

The spelling of 6312656 in words is "six million, three hundred twelve thousand, six hundred fifty-six".