648596 has 12 divisors (see below), whose sum is σ = 1222452. Its totient is φ = 299328.

The previous prime is 648563. The next prime is 648607. The reversal of 648596 is 695846.

648596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 264196 + 384400 = 514^2 + 620^2 .

It is a congruent number.

It is an unprimeable number.

648596 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6185 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (101871).

2⁶⁴⁸⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

648596 is a deficient number, since it is larger than the sum of its proper divisors (573856).

648596 is a wasteful number, since it uses less digits than its factorization.

648596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12490 (or 12488 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 648596 is about 805.3545802937. The cubic root of 648596 is about 86.5614963587.

The spelling of 648596 in words is "six hundred forty-eight thousand, five hundred ninety-six".