3659399 has 2 divisors, whose sum is σ = 3659400. Its totient is φ = 3659398.

The previous prime is 3659393. The next prime is 3659401. The reversal of 3659399 is 9939563.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3659399 - 2⁸ = 3659143 is a prime.

Together with 3659401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3659393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1829699 + 1829700.

It is an arithmetic number, because the mean of its divisors is an integer number (1829700).

Almost surely, 2^3659399 is an apocalyptic number.

3659399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3659399 is an equidigital number, since it uses as much as digits as its factorization.

3659399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 196830, while the sum is 44.

The square root of 3659399 is about 1912.9555666560. The cubic root of 3659399 is about 154.1002186817.

The spelling of 3659399 in words is "three million, six hundred fifty-nine thousand, three hundred ninety-nine".