40830089 has 2 divisors, whose sum is σ = 40830090. Its totient is φ = 40830088.

The previous prime is 40830071. The next prime is 40830103. The reversal of 40830089 is 98003804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40005625 + 824464 = 6325^2 + 908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40830089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40830059) 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, 20415044 + 20415045.

It is an arithmetic number, because the mean of its divisors is an integer number (20415045).

Almost surely, 2^40830089 is an apocalyptic number.

It is an amenable number.

40830089 is a deficient number, since it is larger than the sum of its proper divisors (1).

40830089 is an equidigital number, since it uses as much as digits as its factorization.

40830089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 40830089 is about 6389.8426428199. The cubic root of 40830089 is about 344.3447311514.

The spelling of 40830089 in words is "forty million, eight hundred thirty thousand, eighty-nine".