648703 has 8 divisors (see below), whose sum is σ = 749520. Its totient is φ = 554880.

The previous prime is 648689. The next prime is 648709. The reversal of 648703 is 307846.

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

It is not a de Polignac number, because 648703 - 2⁵ = 648671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648709) 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, 1548 + ... + 1921.

It is an arithmetic number, because the mean of its divisors is an integer number (93690).

2⁶⁴⁸⁷⁰³ is an apocalyptic number.

648703 is a deficient number, since it is larger than the sum of its proper divisors (100817).

648703 is a wasteful number, since it uses less digits than its factorization.

648703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 648703 is about 805.4210079207. The cubic root of 648703 is about 86.5662561634.

The spelling of 648703 in words is "six hundred forty-eight thousand, seven hundred three".