6665862 has 64 divisors (see below), whose sum is σ = 16128000. Its totient is φ = 1834560.

The previous prime is 6665861. The next prime is 6665873. The reversal of 6665862 is 2685666.

It is a self number, because there is not a number n which added to its sum of digits gives 6665862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84339 + ... + 84417.

It is an arithmetic number, because the mean of its divisors is an integer number (252000).

Almost surely, 2^6665862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6665862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8064000).

6665862 is an abundant number, since it is smaller than the sum of its proper divisors (9462138).

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

6665862 is a wasteful number, since it uses less digits than its factorization.

6665862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 132 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 6665862 is about 2581.8330697394. The cubic root of 6665862 is about 188.1996332683.

The spelling of 6665862 in words is "six million, six hundred sixty-five thousand, eight hundred sixty-two".