3436639 has 2 divisors, whose sum is σ = 3436640. Its totient is φ = 3436638.

The previous prime is 3436627. The next prime is 3436649. The reversal of 3436639 is 9366343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3436639 - 2⁵ = 3436607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3436649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718319 + 1718320.

It is an arithmetic number, because the mean of its divisors is an integer number (1718320).

Almost surely, 2^3436639 is an apocalyptic number.

3436639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3436639 is an equidigital number, since it uses as much as digits as its factorization.

3436639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 34.

The square root of 3436639 is about 1853.8174127999. The cubic root of 3436639 is about 150.9076668974.

The spelling of 3436639 in words is "three million, four hundred thirty-six thousand, six hundred thirty-nine".