3539639 has 2 divisors, whose sum is σ = 3539640. Its totient is φ = 3539638.

The previous prime is 3539623. The next prime is 3539651. The reversal of 3539639 is 9369353.

3539639 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 3539639 - 2⁴ = 3539623 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3539609) 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, 1769819 + 1769820.

It is an arithmetic number, because the mean of its divisors is an integer number (1769820).

Almost surely, 2^3539639 is an apocalyptic number.

3539639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3539639 is an equidigital number, since it uses as much as digits as its factorization.

3539639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 38.

The square root of 3539639 is about 1881.3928351091. The cubic root of 3539639 is about 152.4004761365.

The spelling of 3539639 in words is "three million, five hundred thirty-nine thousand, six hundred thirty-nine".