662860 has 48 divisors (see below), whose sum is σ = 1596672. Its totient is φ = 228800.

The previous prime is 662843. The next prime is 662867. The reversal of 662860 is 68266.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4995 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (33264).

2⁶⁶²⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798336).

662860 is an abundant number, since it is smaller than the sum of its proper divisors (933812).

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

662860 is a wasteful number, since it uses less digits than its factorization.

662860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 662860 is about 814.1621460127. The cubic root of 662860 is about 87.1914575140.

It can be divided in two parts, 66 and 2860, that added together give a triangular number (2926 = T₇₆).

The spelling of 662860 in words is "six hundred sixty-two thousand, eight hundred sixty".