3475639 has 2 divisors, whose sum is σ = 3475640. Its totient is φ = 3475638.

The previous prime is 3475601. The next prime is 3475673. The reversal of 3475639 is 9365743.

3475639 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 3475639 - 2¹⁵ = 3442871 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 3475598 and 3475607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3475699) 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, 1737819 + 1737820.

It is an arithmetic number, because the mean of its divisors is an integer number (1737820).

Almost surely, 2^3475639 is an apocalyptic number.

3475639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3475639 is an equidigital number, since it uses as much as digits as its factorization.

3475639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 37.

The square root of 3475639 is about 1864.3065735013. The cubic root of 3475639 is about 151.4763693642.

It can be divided in two parts, 3475 and 639, that added together give a palindrome (4114).

The spelling of 3475639 in words is "three million, four hundred seventy-five thousand, six hundred thirty-nine".