39960001 has 2 divisors, whose sum is σ = 39960002. Its totient is φ = 39960000.

The previous prime is 39959989. The next prime is 39960031. The reversal of 39960001 is 10006993.

It is a happy number.

39960001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36723600 + 3236401 = 6060^2 + 1799^2 .

It is a cyclic number.

It is not a de Polignac number, because 39960001 - 2⁷ = 39959873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39960031) 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, 19980000 + 19980001.

It is an arithmetic number, because the mean of its divisors is an integer number (19980001).

Almost surely, 2^39960001 is an apocalyptic number.

It is an amenable number.

39960001 is a deficient number, since it is larger than the sum of its proper divisors (1).

39960001 is an equidigital number, since it uses as much as digits as its factorization.

39960001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 39960001 is about 6321.3923308081. The cubic root of 39960001 is about 341.8811557702.

Adding to 39960001 its reverse (10006993), we get a palindrome (49966994).

It can be divided in two parts, 3996000 and 1, that added together give a square (3996001 = 1999²).

The spelling of 39960001 in words is "thirty-nine million, nine hundred sixty thousand, one".