604306639 has 2 divisors, whose sum is σ = 604306640. Its totient is φ = 604306638.

The previous prime is 604306621. The next prime is 604306663. The reversal of 604306639 is 936603406.

604306639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 604306639 - 2²³ = 595918031 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 604306598 and 604306607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604306699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302153319 + 302153320.

It is an arithmetic number, because the mean of its divisors is an integer number (302153320).

Almost surely, 2^604306639 is an apocalyptic number.

604306639 is a deficient number, since it is larger than the sum of its proper divisors (1).

604306639 is an equidigital number, since it uses as much as digits as its factorization.

604306639 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 604306639 is about 24582.6491452813. The cubic root of 604306639 is about 845.4458340788.

The spelling of 604306639 in words is "six hundred four million, three hundred six thousand, six hundred thirty-nine".