6730386 has 16 divisors (see below), whose sum is σ = 14496384. Its totient is φ = 2070864.

The previous prime is 6730369. The next prime is 6730391. The reversal of 6730386 is 6830376.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43066 + ... + 43221.

It is an arithmetic number, because the mean of its divisors is an integer number (906024).

Almost surely, 2^6730386 is an apocalyptic number.

6730386 is an abundant number, since it is smaller than the sum of its proper divisors (7765998).

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

6730386 is a wasteful number, since it uses less digits than its factorization.

6730386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86305.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 6730386 is about 2594.2987491806. The cubic root of 6730386 is about 188.8049273647.

The spelling of 6730386 in words is "six million, seven hundred thirty thousand, three hundred eighty-six".