660234 has 8 divisors (see below), whose sum is σ = 1320480. Its totient is φ = 220076.

The previous prime is 660227. The next prime is 660241. The reversal of 660234 is 432066.

It is an interprime number because it is at equal distance from previous prime (660227) and next prime (660241).

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

660234 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 660234.

It is an unprimeable number.

660234 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 3 ways as a sum of consecutive naturals, for example, 55014 + ... + 55025.

It is an arithmetic number, because the mean of its divisors is an integer number (165060).

2⁶⁶⁰²³⁴ is an apocalyptic number.

660234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

660234 is a wasteful number, since it uses less digits than its factorization.

660234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110044.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 660234 is about 812.5478447452. The cubic root of 660234 is about 87.0761652996.

The spelling of 660234 in words is "six hundred sixty thousand, two hundred thirty-four".