3639029 has 2 divisors, whose sum is σ = 3639030. Its totient is φ = 3639028.

The previous prime is 3639019. The next prime is 3639043. The reversal of 3639029 is 9209363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3496900 + 142129 = 1870^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 3639029 - 2⁸ = 3638773 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₂₅₉₃₅₈ and since 3639029 and 259358 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 3638986 and 3639004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3639019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1819514 + 1819515.

It is an arithmetic number, because the mean of its divisors is an integer number (1819515).

Almost surely, 2^3639029 is an apocalyptic number.

It is an amenable number.

3639029 is a deficient number, since it is larger than the sum of its proper divisors (1).

3639029 is an equidigital number, since it uses as much as digits as its factorization.

3639029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 3639029 is about 1907.6239147169. The cubic root of 3639029 is about 153.8137541579.

The spelling of 3639029 in words is "three million, six hundred thirty-nine thousand, twenty-nine".