647262 has 48 divisors (see below), whose sum is σ = 1752192. Its totient is φ = 167760.

The previous prime is 647261. The next prime is 647263. The reversal of 647262 is 262746.

647262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (647261) and next prime (647263).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 647262.

It is not an unprimeable number, because it can be changed into a prime (647261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1153 + ... + 1619.

It is an arithmetic number, because the mean of its divisors is an integer number (36504).

2⁶⁴⁷²⁶² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 647262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876096).

647262 is an abundant number, since it is smaller than the sum of its proper divisors (1104930).

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

647262 is a wasteful number, since it uses less digits than its factorization.

647262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 490 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 647262 is about 804.5259473752. The cubic root of 647262 is about 86.5021104990.

It can be divided in two parts, 647 and 262, that added together give a palindrome (909).

The spelling of 647262 in words is "six hundred forty-seven thousand, two hundred sixty-two".