646482 has 8 divisors (see below), whose sum is σ = 1292976. Its totient is φ = 215492.

The previous prime is 646453. The next prime is 646519. The reversal of 646482 is 284646.

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

646482 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53868 + ... + 53879.

It is an arithmetic number, because the mean of its divisors is an integer number (161622).

2⁶⁴⁶⁴⁸² is an apocalyptic number.

646482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

646482 is a wasteful number, since it uses less digits than its factorization.

646482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107752.

The product of its digits is 9216, while the sum is 30.

The square root of 646482 is about 804.0410437285. The cubic root of 646482 is about 86.4673493219.

It can be divided in two parts, 646 and 482, that added together give a triangular number (1128 = T₄₇).

The spelling of 646482 in words is "six hundred forty-six thousand, four hundred eighty-two".