3678726 has 24 divisors (see below), whose sum is σ = 7530840. Its totient is φ = 1197856.

The previous prime is 3678713. The next prime is 3678743. The reversal of 3678726 is 6278763.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41290 + ... + 41378.

It is an arithmetic number, because the mean of its divisors is an integer number (313785).

Almost surely, 2^3678726 is an apocalyptic number.

3678726 is an abundant number, since it is smaller than the sum of its proper divisors (3852114).

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

3678726 is an equidigital number, since it uses as much as digits as its factorization.

3678726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 177 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 3678726 is about 1918.0005213764. Note that the first 3 decimals coincide. The cubic root of 3678726 is about 154.3710342810.

The spelling of 3678726 in words is "three million, six hundred seventy-eight thousand, seven hundred twenty-six".