647348 has 24 divisors (see below), whose sum is σ = 1246560. Its totient is φ = 292320.

The previous prime is 647341. The next prime is 647357. The reversal of 647348 is 843746.

It is a happy number.

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 647348.

It is not an unprimeable number, because it can be changed into a prime (647341) 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, 2963 + ... + 3173.

It is an arithmetic number, because the mean of its divisors is an integer number (51940).

2⁶⁴⁷³⁴⁸ is an apocalyptic number.

It is an amenable number.

647348 is a deficient number, since it is larger than the sum of its proper divisors (599212).

647348 is a wasteful number, since it uses less digits than its factorization.

647348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 285 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 647348 is about 804.5793932236. The cubic root of 647348 is about 86.5059414320.

The spelling of 647348 in words is "six hundred forty-seven thousand, three hundred forty-eight".