648834346 has 4 divisors (see below), whose sum is σ = 973251522. Its totient is φ = 324417172.

The previous prime is 648834343. The next prime is 648834349. The reversal of 648834346 is 643438846.

648834346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (648834343) and next prime (648834349).

It can be written as a sum of positive squares in only one way, i.e., 353853721 + 294980625 = 18811^2 + 17175^2 .

It is a junction number, because it is equal to n+sod(n) for n = 648834296 and 648834305.

It is not an unprimeable number, because it can be changed into a prime (648834343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162208585 + ... + 162208588.

Almost surely, 2^648834346 is an apocalyptic number.

648834346 is a deficient number, since it is larger than the sum of its proper divisors (324417176).

648834346 is a wasteful number, since it uses less digits than its factorization.

648834346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324417175.

The product of its digits is 1327104, while the sum is 46.

The square root of 648834346 is about 25472.2269540769. The cubic root of 648834346 is about 865.7209826379.

The spelling of 648834346 in words is "six hundred forty-eight million, eight hundred thirty-four thousand, three hundred forty-six".