39340087 has 2 divisors, whose sum is σ = 39340088. Its totient is φ = 39340086.

The previous prime is 39340069. The next prime is 39340121. The reversal of 39340087 is 78004393.

It is an a-pointer prime, because the next prime (39340121) can be obtained adding 39340087 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39340087 is a prime.

It is equal to p_2395942 and since 39340087 and 2395942 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39340487) 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, 19670043 + 19670044.

It is an arithmetic number, because the mean of its divisors is an integer number (19670044).

Almost surely, 2^39340087 is an apocalyptic number.

39340087 is a deficient number, since it is larger than the sum of its proper divisors (1).

39340087 is an equidigital number, since it uses as much as digits as its factorization.

39340087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 39340087 is about 6272.1676476319. The cubic root of 39340087 is about 340.1040252630.

The spelling of 39340087 in words is "thirty-nine million, three hundred forty thousand, eighty-seven".