660382 has 8 divisors (see below), whose sum is σ = 1048896. Its totient is φ = 310752.

The previous prime is 660379. The next prime is 660391. The reversal of 660382 is 283066.

660382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×660382² = 872208771848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9678 + ... + 9745.

It is an arithmetic number, because the mean of its divisors is an integer number (131112).

2⁶⁶⁰³⁸² is an apocalyptic number.

660382 is a deficient number, since it is larger than the sum of its proper divisors (388514).

660382 is a wasteful number, since it uses less digits than its factorization.

660382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19442.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 660382 is about 812.6389112023. The cubic root of 660382 is about 87.0826712301.

The spelling of 660382 in words is "six hundred sixty thousand, three hundred eighty-two".