6850660 has 24 divisors (see below), whose sum is σ = 15233400. Its totient is φ = 2578944.

The previous prime is 6850651. The next prime is 6850663. The reversal of 6850660 is 660586.

It can be written as a sum of positive squares in 4 ways, for example, as 1290496 + 5560164 = 1136^2 + 2358^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6850663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9735 + ... + 10414.

It is an arithmetic number, because the mean of its divisors is an integer number (634725).

Almost surely, 2^6850660 is an apocalyptic number.

It is an amenable number.

6850660 is an abundant number, since it is smaller than the sum of its proper divisors (8382740).

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

6850660 is a wasteful number, since it uses less digits than its factorization.

6850660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20175 (or 20173 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 6850660 is about 2617.3765491423. The cubic root of 6850660 is about 189.9229604567.

The spelling of 6850660 in words is "six million, eight hundred fifty thousand, six hundred sixty".