6659850 has 48 divisors (see below), whose sum is σ = 17097120. Its totient is φ = 1713600.

The previous prime is 6659843. The next prime is 6659893. The reversal of 6659850 is 589566.

It is a junction number, because it is equal to n+sod(n) for n = 6659799 and 6659808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3585 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (356190).

Almost surely, 2^6659850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6659850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8548560).

6659850 is an abundant number, since it is smaller than the sum of its proper divisors (10437270).

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

6659850 is a wasteful number, since it uses less digits than its factorization.

6659850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 6659850 is about 2580.6685180395. The cubic root of 6659850 is about 188.1430366109.

The spelling of 6659850 in words is "six million, six hundred fifty-nine thousand, eight hundred fifty".