604642939 has 2 divisors, whose sum is σ = 604642940. Its totient is φ = 604642938.

The previous prime is 604642889. The next prime is 604642963. The reversal of 604642939 is 939246406.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 604642939 - 2⁷ = 604642811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 604642895 and 604642904.

It is not a weakly prime, because it can be changed into another prime (604642979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302321469 + 302321470.

It is an arithmetic number, because the mean of its divisors is an integer number (302321470).

Almost surely, 2^604642939 is an apocalyptic number.

604642939 is a deficient number, since it is larger than the sum of its proper divisors (1).

604642939 is an equidigital number, since it uses as much as digits as its factorization.

604642939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 604642939 is about 24589.4883842670. The cubic root of 604642939 is about 845.6026367622.

The spelling of 604642939 in words is "six hundred four million, six hundred forty-two thousand, nine hundred thirty-nine".