3638039 has 2 divisors, whose sum is σ = 3638040. Its totient is φ = 3638038.

The previous prime is 3638027. The next prime is 3638057. The reversal of 3638039 is 9308363.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3638039 - 2⁴ = 3638023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3637996 and 3638014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3638009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1819019 + 1819020.

It is an arithmetic number, because the mean of its divisors is an integer number (1819020).

Almost surely, 2^3638039 is an apocalyptic number.

3638039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3638039 is an equidigital number, since it uses as much as digits as its factorization.

3638039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3638039 is about 1907.3644119570. The cubic root of 3638039 is about 153.7998045185.

The spelling of 3638039 in words is "three million, six hundred thirty-eight thousand, thirty-nine".