648676 has 12 divisors (see below), whose sum is σ = 1297408. Its totient is φ = 277992.

The previous prime is 648671. The next prime is 648677. The reversal of 648676 is 676846.

648676 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648671) by changing a digit.

648676 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 11556 + ... + 11611.

2⁶⁴⁸⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

648676 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648676 is a wasteful number, since it uses less digits than its factorization.

648676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23178 (or 23176 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 648676 is about 805.4042463260. The cubic root of 648676 is about 86.5650551406.

The spelling of 648676 in words is "six hundred forty-eight thousand, six hundred seventy-six".