802660 has 24 divisors (see below), whose sum is σ = 1713600. Its totient is φ = 315744.

The previous prime is 802651. The next prime is 802661. The reversal of 802660 is 66208.

802660 = T₁₈₀ + T₁₈₁ + ... + T₂₁₉.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (71400).

2⁸⁰²⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

802660 is an abundant number, since it is smaller than the sum of its proper divisors (910940).

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

802660 is a wasteful number, since it uses less digits than its factorization.

802660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 673 counting only the distinct ones).

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

The square root of 802660 is about 895.9129421992. The cubic root of 802660 is about 92.9345514001.

Adding to 802660 its reverse (66208), we get a palindrome (868868).

The spelling of 802660 in words is "eight hundred two thousand, six hundred sixty".