667248 has 20 divisors (see below), whose sum is σ = 1723848. Its totient is φ = 222400.

The previous prime is 667243. The next prime is 667273. The reversal of 667248 is 842766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667241) by changing a digit.

667248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6903 + ... + 6998.

2⁶⁶⁷²⁴⁸ is an apocalyptic number.

It is an amenable number.

667248 is an abundant number, since it is smaller than the sum of its proper divisors (1056600).

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

667248 is a wasteful number, since it uses less digits than its factorization.

667248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912 (or 13906 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 667248 is about 816.8524958645. The cubic root of 667248 is about 87.3834311687.

The spelling of 667248 in words is "six hundred sixty-seven thousand, two hundred forty-eight".