648883 has 4 divisors (see below), whose sum is σ = 650560. Its totient is φ = 647208.

The previous prime is 648871. The next prime is 648887. The reversal of 648883 is 388846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 648883 - 2⁹ = 648371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648887) 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, 73 + ... + 1141.

It is an arithmetic number, because the mean of its divisors is an integer number (162640).

2⁶⁴⁸⁸⁸³ is an apocalyptic number.

648883 is a deficient number, since it is larger than the sum of its proper divisors (1677).

648883 is a wasteful number, since it uses less digits than its factorization.

648883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676.

The product of its digits is 36864, while the sum is 37.

The square root of 648883 is about 805.5327429720. The cubic root of 648883 is about 86.5742621307.

Subtracting from 648883 its sum of digits (37), we obtain a palindrome (648846).

The spelling of 648883 in words is "six hundred forty-eight thousand, eight hundred eighty-three".