3403639 has 2 divisors, whose sum is σ = 3403640. Its totient is φ = 3403638.

The previous prime is 3403619. The next prime is 3403661. The reversal of 3403639 is 9363043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3403639 - 2¹¹ = 3401591 is a prime.

It is an Ulam number.

3403639 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3403619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701819 + 1701820.

It is an arithmetic number, because the mean of its divisors is an integer number (1701820).

Almost surely, 2^3403639 is an apocalyptic number.

3403639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3403639 is an equidigital number, since it uses as much as digits as its factorization.

3403639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3403639 is about 1844.8953899883. The cubic root of 3403639 is about 150.4230870087.

The spelling of 3403639 in words is "three million, four hundred three thousand, six hundred thirty-nine".