6813850 has 12 divisors (see below), whose sum is σ = 12673854. Its totient is φ = 2725520.

The previous prime is 6813847. The next prime is 6813853. The reversal of 6813850 is 583186.

It is an interprime number because it is at equal distance from previous prime (6813847) and next prime (6813853).

It can be written as a sum of positive squares in 3 ways, for example, as 5890329 + 923521 = 2427^2 + 961^2 .

It is not an unprimeable number, because it can be changed into a prime (6813853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68089 + ... + 68188.

Almost surely, 2^6813850 is an apocalyptic number.

6813850 is a deficient number, since it is larger than the sum of its proper divisors (5860004).

6813850 is a wasteful number, since it uses less digits than its factorization.

6813850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136289 (or 136284 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 6813850 is about 2610.3352275139. The cubic root of 6813850 is about 189.5821843776.

The spelling of 6813850 in words is "six million, eight hundred thirteen thousand, eight hundred fifty".