660084 has 24 divisors (see below), whose sum is σ = 1565088. Its totient is φ = 216480.

The previous prime is 660073. The next prime is 660097. The reversal of 660084 is 480066.

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 660084.

It is an unprimeable number.

660084 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 7 ways as a sum of consecutive naturals, for example, 394 + ... + 1214.

It is an arithmetic number, because the mean of its divisors is an integer number (65212).

2⁶⁶⁰⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

660084 is an abundant number, since it is smaller than the sum of its proper divisors (905004).

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

660084 is a wasteful number, since it uses less digits than its factorization.

660084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 660084 is about 812.4555372450. The cubic root of 660084 is about 87.0695704589.

The spelling of 660084 in words is "six hundred sixty thousand, eighty-four".