39305089 has 2 divisors, whose sum is σ = 39305090. Its totient is φ = 39305088.

The previous prime is 39305083. The next prime is 39305099. The reversal of 39305089 is 98050393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23040000 + 16265089 = 4800^2 + 4033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39305089 is a prime.

It is equal to p_2393929 and since 39305089 and 2393929 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (39305083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19652544 + 19652545.

It is an arithmetic number, because the mean of its divisors is an integer number (19652545).

Almost surely, 2^39305089 is an apocalyptic number.

It is an amenable number.

39305089 is a deficient number, since it is larger than the sum of its proper divisors (1).

39305089 is an equidigital number, since it uses as much as digits as its factorization.

39305089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 39305089 is about 6269.3770822945. The cubic root of 39305089 is about 340.0031401094.

The spelling of 39305089 in words is "thirty-nine million, three hundred five thousand, eighty-nine".