660496 has 10 divisors (see below), whose sum is σ = 1279742. Its totient is φ = 330240.

The previous prime is 660493. The next prime is 660503. The reversal of 660496 is 694066.

It can be written as a sum of positive squares in only one way, i.e., 547600 + 112896 = 740^2 + 336^2 .

It is not an unprimeable number, because it can be changed into a prime (660493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20625 + ... + 20656.

2⁶⁶⁰⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

660496 is a deficient number, since it is larger than the sum of its proper divisors (619246).

660496 is a wasteful number, since it uses less digits than its factorization.

660496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41289 (or 41283 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 660496 is about 812.7090500296. The cubic root of 660496 is about 87.0876818923.

It can be divided in two parts, 660 and 496, that added together give a square (1156 = 34²).

The spelling of 660496 in words is "six hundred sixty thousand, four hundred ninety-six".