660802 has 8 divisors (see below), whose sum is σ = 997776. Its totient is φ = 328212.

The previous prime is 660799. The next prime is 660809. The reversal of 660802 is 208066.

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

It is not an unprimeable number, because it can be changed into a prime (660809) by changing a digit.

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, 688 + ... + 1339.

It is an arithmetic number, because the mean of its divisors is an integer number (124722).

2⁶⁶⁰⁸⁰² is an apocalyptic number.

660802 is a deficient number, since it is larger than the sum of its proper divisors (336974).

660802 is a wasteful number, since it uses less digits than its factorization.

660802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 660802 is about 812.8972874847. The cubic root of 660802 is about 87.1011287142.

Adding to 660802 its reverse (208066), we get a palindrome (868868).

The spelling of 660802 in words is "six hundred sixty thousand, eight hundred two".