3659923 has 2 divisors, whose sum is σ = 3659924. Its totient is φ = 3659922.

The previous prime is 3659917. The next prime is 3659933. The reversal of 3659923 is 3299563.

It is a weak prime.

It is an emirp because it is prime and its reverse (3299563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3659923 - 2¹³ = 3651731 is a prime.

It is a d-powerful number, because it can be written as 3⁸ + 6⁸ + 5⁹ + 9² + 9³ + 2⁷ + 3⁹ .

3659923 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3659933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1829961 + 1829962.

It is an arithmetic number, because the mean of its divisors is an integer number (1829962).

Almost surely, 2^3659923 is an apocalyptic number.

3659923 is a deficient number, since it is larger than the sum of its proper divisors (1).

3659923 is an equidigital number, since it uses as much as digits as its factorization.

3659923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 37.

The square root of 3659923 is about 1913.0925225927. The cubic root of 3659923 is about 154.1075736837.

The spelling of 3659923 in words is "three million, six hundred fifty-nine thousand, nine hundred twenty-three".