648488 has 16 divisors (see below), whose sum is σ = 1229280. Its totient is φ = 320688.

The previous prime is 648481. The next prime is 648509. The reversal of 648488 is 884846.

It is a super-2 number, since 2×648488² = 841073372288, which contains 22 as substring.

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, 431 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (76830).

2⁶⁴⁸⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

648488 is a deficient number, since it is larger than the sum of its proper divisors (580792).

648488 is a wasteful number, since it uses less digits than its factorization.

648488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 892 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 648488 is about 805.2875262911. The cubic root of 648488 is about 86.5566915390.

The spelling of 648488 in words is "six hundred forty-eight thousand, four hundred eighty-eight".