648482 has 8 divisors (see below), whose sum is σ = 1029996. Its totient is φ = 305152.

The previous prime is 648481. The next prime is 648509. The reversal of 648482 is 284846.

It can be written as a sum of positive squares in 2 ways, for example, as 625681 + 22801 = 791^2 + 151^2 .

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

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648481) 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, 9503 + ... + 9570.

2⁶⁴⁸⁴⁸² is an apocalyptic number.

648482 is a deficient number, since it is larger than the sum of its proper divisors (381514).

648482 is a wasteful number, since it uses less digits than its factorization.

648482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19092.

The product of its digits is 12288, while the sum is 32.

The square root of 648482 is about 805.2838009050. The cubic root of 648482 is about 86.5564245889.

The spelling of 648482 in words is "six hundred forty-eight thousand, four hundred eighty-two".