660248 has 8 divisors (see below), whose sum is σ = 1237980. Its totient is φ = 330120.

The previous prime is 660241. The next prime is 660251. The reversal of 660248 is 842066.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 660248.

It is not an unprimeable number, because it can be changed into a prime (660241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41258 + ... + 41273.

2⁶⁶⁰²⁴⁸ is an apocalyptic number.

It is an amenable number.

660248 is a deficient number, since it is larger than the sum of its proper divisors (577732).

660248 is a wasteful number, since it uses less digits than its factorization.

660248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82537 (or 82533 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 660248 is about 812.5564595768. The cubic root of 660248 is about 87.0767807671.

The spelling of 660248 in words is "six hundred sixty thousand, two hundred forty-eight".