648346 has 8 divisors (see below), whose sum is σ = 1029780. Its totient is φ = 305088.

The previous prime is 648343. The next prime is 648371. The reversal of 648346 is 643846.

648346 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 497025 + 151321 = 705^2 + 389^2 .

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

It is not an unprimeable number, because it can be changed into a prime (648341) 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, 9501 + ... + 9568.

2⁶⁴⁸³⁴⁶ is an apocalyptic number.

648346 is a deficient number, since it is larger than the sum of its proper divisors (381434).

648346 is a wasteful number, since it uses less digits than its factorization.

648346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19088.

The product of its digits is 13824, while the sum is 31.

The square root of 648346 is about 805.1993541975. The cubic root of 648346 is about 86.5503732790.

The spelling of 648346 in words is "six hundred forty-eight thousand, three hundred forty-six".