39873963 has 8 divisors (see below), whose sum is σ = 53250048. Its totient is φ = 26540264.

The previous prime is 39873949. The next prime is 39873979. The reversal of 39873963 is 36937893.

It is a happy number.

39873963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 39873963 - 2¹⁴ = 39857579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39873923) 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, 8331 + ... + 12212.

It is an arithmetic number, because the mean of its divisors is an integer number (6656256).

Almost surely, 2^39873963 is an apocalyptic number.

39873963 is a deficient number, since it is larger than the sum of its proper divisors (13376085).

39873963 is a wasteful number, since it uses less digits than its factorization.

39873963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21193.

The product of its digits is 734832, while the sum is 48.

The square root of 39873963 is about 6314.5833591774. The cubic root of 39873963 is about 341.6356110050.

The spelling of 39873963 in words is "thirty-nine million, eight hundred seventy-three thousand, nine hundred sixty-three".