648182 has 8 divisors (see below), whose sum is σ = 995016. Its totient is φ = 316512.

The previous prime is 648181. The next prime is 648191. The reversal of 648182 is 281846.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683 + ... + 3854.

It is an arithmetic number, because the mean of its divisors is an integer number (124377).

2⁶⁴⁸¹⁸² is an apocalyptic number.

648182 is a deficient number, since it is larger than the sum of its proper divisors (346834).

648182 is a wasteful number, since it uses less digits than its factorization.

648182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582.

The product of its digits is 3072, while the sum is 29.

The square root of 648182 is about 805.0975096223. The cubic root of 648182 is about 86.5430749855.

The spelling of 648182 in words is "six hundred forty-eight thousand, one hundred eighty-two".