6825986 has 16 divisors (see below), whose sum is σ = 10756800. Its totient is φ = 3242448.

The previous prime is 6825979. The next prime is 6825989. The reversal of 6825986 is 6895286.

It is a happy number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6825989) 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, 7820 + ... + 8648.

It is an arithmetic number, because the mean of its divisors is an integer number (672300).

Almost surely, 2^6825986 is an apocalyptic number.

6825986 is a deficient number, since it is larger than the sum of its proper divisors (3930814).

6825986 is a wasteful number, since it uses less digits than its factorization.

6825986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its digits is 207360, while the sum is 44.

The square root of 6825986 is about 2612.6587990015. The cubic root of 6825986 is about 189.6946711895.

The spelling of 6825986 in words is "six million, eight hundred twenty-five thousand, nine hundred eighty-six".