2369639 has 2 divisors, whose sum is σ = 2369640. Its totient is φ = 2369638.

The previous prime is 2369611. The next prime is 2369641. The reversal of 2369639 is 9369632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2369639 - 2⁸ = 2369383 is a prime.

It is a Sophie Germain prime.

Together with 2369641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2369539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1184819 + 1184820.

It is an arithmetic number, because the mean of its divisors is an integer number (1184820).

2^2369639 is an apocalyptic number.

2369639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2369639 is an equidigital number, since it uses as much as digits as its factorization.

2369639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 38.

The square root of 2369639 is about 1539.3631800196. The cubic root of 2369639 is about 133.3196187283.

The spelling of 2369639 in words is "two million, three hundred sixty-nine thousand, six hundred thirty-nine".