232606639 has 2 divisors, whose sum is σ = 232606640. Its totient is φ = 232606638.

The previous prime is 232606637. The next prime is 232606643. The reversal of 232606639 is 936606232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232606639 - 2¹ = 232606637 is a prime.

Together with 232606637, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 232606598 and 232606607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232606637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116303319 + 116303320.

It is an arithmetic number, because the mean of its divisors is an integer number (116303320).

Almost surely, 2^232606639 is an apocalyptic number.

232606639 is a deficient number, since it is larger than the sum of its proper divisors (1).

232606639 is an equidigital number, since it uses as much as digits as its factorization.

232606639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 232606639 is about 15251.4471116678. The cubic root of 232606639 is about 614.9984700427.

The spelling of 232606639 in words is "two hundred thirty-two million, six hundred six thousand, six hundred thirty-nine".