3678791 has 2 divisors, whose sum is σ = 3678792. Its totient is φ = 3678790.

The previous prime is 3678751. The next prime is 3678797. The reversal of 3678791 is 1978763.

It is a strong prime.

It is an emirp because it is prime and its reverse (1978763) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3678791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3678797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839395 + 1839396.

It is an arithmetic number, because the mean of its divisors is an integer number (1839396).

Almost surely, 2^3678791 is an apocalyptic number.

3678791 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678791 is an equidigital number, since it uses as much as digits as its factorization.

3678791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 3678791 is about 1918.0174660310. The cubic root of 3678791 is about 154.3719434779.

The spelling of 3678791 in words is "three million, six hundred seventy-eight thousand, seven hundred ninety-one".