648347 has 8 divisors (see below), whose sum is σ = 773376. Its totient is φ = 531432.

The previous prime is 648343. The next prime is 648371. The reversal of 648347 is 743846.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 648347 - 2² = 648343 is a prime.

It is a Duffinian 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 648347.

It is not an unprimeable number, because it can be changed into a prime (648341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1853 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (96672).

2⁶⁴⁸³⁴⁷ is an apocalyptic number.

648347 is a deficient number, since it is larger than the sum of its proper divisors (125029).

648347 is a wasteful number, since it uses less digits than its factorization.

648347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057.

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

The square root of 648347 is about 805.1999751615. The cubic root of 648347 is about 86.5504177770.

The spelling of 648347 in words is "six hundred forty-eight thousand, three hundred forty-seven".