2403659 has 2 divisors, whose sum is σ = 2403660. Its totient is φ = 2403658.

The previous prime is 2403629. The next prime is 2403673. The reversal of 2403659 is 9563042.

2403659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2403659 - 2⁸ = 2403403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2403619) 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, 1201829 + 1201830.

It is an arithmetic number, because the mean of its divisors is an integer number (1201830).

2^2403659 is an apocalyptic number.

2403659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2403659 is an equidigital number, since it uses as much as digits as its factorization.

2403659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2403659 is about 1550.3738258885. The cubic root of 2403659 is about 133.9545958892.

The spelling of 2403659 in words is "two million, four hundred three thousand, six hundred fifty-nine".