647548 has 12 divisors (see below), whose sum is σ = 1236312. Its totient is φ = 294320.

The previous prime is 647531. The next prime is 647551. The reversal of 647548 is 845746.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7315 + ... + 7402.

It is an arithmetic number, because the mean of its divisors is an integer number (103026).

2⁶⁴⁷⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

647548 is a deficient number, since it is larger than the sum of its proper divisors (588764).

647548 is a wasteful number, since it uses less digits than its factorization.

647548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14732 (or 14730 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 647548 is about 804.7036721676. The cubic root of 647548 is about 86.5148492667.

The spelling of 647548 in words is "six hundred forty-seven thousand, five hundred forty-eight".