39950089 has 2 divisors, whose sum is σ = 39950090. Its totient is φ = 39950088.

The previous prime is 39950077. The next prime is 39950101. The reversal of 39950089 is 98005993.

It is a balanced prime because it is at equal distance from previous prime (39950077) and next prime (39950101).

It can be written as a sum of positive squares in only one way, i.e., 22014864 + 17935225 = 4692^2 + 4235^2 .

It is a cyclic number.

It is not a de Polignac number, because 39950089 - 2¹⁹ = 39425801 is a prime.

It is a super-2 number, since 2×39950089² = 3192019222215842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39950039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19975044 + 19975045.

It is an arithmetic number, because the mean of its divisors is an integer number (19975045).

Almost surely, 2^39950089 is an apocalyptic number.

It is an amenable number.

39950089 is a deficient number, since it is larger than the sum of its proper divisors (1).

39950089 is an equidigital number, since it uses as much as digits as its factorization.

39950089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 39950089 is about 6320.6082776897. The cubic root of 39950089 is about 341.8528857822.

The spelling of 39950089 in words is "thirty-nine million, nine hundred fifty thousand, eighty-nine".