3646723 has 2 divisors, whose sum is σ = 3646724. Its totient is φ = 3646722.

The previous prime is 3646717. The next prime is 3646729. The reversal of 3646723 is 3276463.

3646723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3646717) and next prime (3646729).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3646723 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 6⁷ + 4⁵ + 6⁸ + 7 + 2¹⁵ + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (3646729) by changing a digit.

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 as a sum of consecutive naturals, namely, 1823361 + 1823362.

It is an arithmetic number, because the mean of its divisors is an integer number (1823362).

Almost surely, 2^3646723 is an apocalyptic number.

3646723 is a deficient number, since it is larger than the sum of its proper divisors (1).

3646723 is an equidigital number, since it uses as much as digits as its factorization.

3646723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 31.

The square root of 3646723 is about 1909.6394947738. The cubic root of 3646723 is about 153.9220806695.

The spelling of 3646723 in words is "three million, six hundred forty-six thousand, seven hundred twenty-three".