648850 has 24 divisors (see below), whose sum is σ = 1272240. Its totient is φ = 245520.

The previous prime is 648841. The next prime is 648859. The reversal of 648850 is 58846.

648850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (648841) and next prime (648859).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (648859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (53010).

2⁶⁴⁸⁸⁵⁰ is an apocalyptic number.

648850 is a deficient number, since it is larger than the sum of its proper divisors (623390).

648850 is a wasteful number, since it uses less digits than its factorization.

648850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 648850 is about 805.5122593729. The cubic root of 648850 is about 86.5727944809.

The spelling of 648850 in words is "six hundred forty-eight thousand, eight hundred fifty".