39998701 has 2 divisors, whose sum is σ = 39998702. Its totient is φ = 39998700.

The previous prime is 39998687. The next prime is 39998713. The reversal of 39998701 is 10789993.

39998701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 14243076 = 5075^2 + 3774^2 .

It is an emirp because it is prime and its reverse (10789993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39998701 - 2²³ = 31610093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39998741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19999350 + 19999351.

It is an arithmetic number, because the mean of its divisors is an integer number (19999351).

Almost surely, 2^39998701 is an apocalyptic number.

It is an amenable number.

39998701 is a deficient number, since it is larger than the sum of its proper divisors (1).

39998701 is an equidigital number, since it uses as much as digits as its factorization.

39998701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 39998701 is about 6324.4526245360. The cubic root of 39998701 is about 341.9914871973.

The spelling of 39998701 in words is "thirty-nine million, nine hundred ninety-eight thousand, seven hundred one".