39990063 has 8 divisors (see below), whose sum is σ = 53349376. Its totient is φ = 26645400.

The previous prime is 39990019. The next prime is 39990107. The reversal of 39990063 is 36009993.

39990063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39990019) and next prime (39990107).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39990063 - 2¹⁷ = 39858991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39990463) 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 in 7 ways as a sum of consecutive naturals, for example, 8208 + ... + 12138.

It is an arithmetic number, because the mean of its divisors is an integer number (6668672).

Almost surely, 2^39990063 is an apocalyptic number.

39990063 is a deficient number, since it is larger than the sum of its proper divisors (13359313).

39990063 is a wasteful number, since it uses less digits than its factorization.

39990063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7325.

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 39990063 is about 6323.7696827130. The cubic root of 39990063 is about 341.9668669382.

The spelling of 39990063 in words is "thirty-nine million, nine hundred ninety thousand, sixty-three".