647260 has 12 divisors (see below), whose sum is σ = 1359288. Its totient is φ = 258896.

The previous prime is 647219. The next prime is 647261. The reversal of 647260 is 62746.

It is a nialpdrome in base 15.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 16162 + ... + 16201.

It is an arithmetic number, because the mean of its divisors is an integer number (113274).

2⁶⁴⁷²⁶⁰ is an apocalyptic number.

It is an amenable number.

647260 is an abundant number, since it is smaller than the sum of its proper divisors (712028).

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

647260 is a wasteful number, since it uses less digits than its factorization.

647260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32372 (or 32370 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 647260 is about 804.5247044063. The cubic root of 647260 is about 86.5020214035.

The spelling of 647260 in words is "six hundred forty-seven thousand, two hundred sixty".