39129963 has 8 divisors (see below), whose sum is σ = 52282368. Its totient is φ = 26032104.

The previous prime is 39129947. The next prime is 39129973. The reversal of 39129963 is 36992193.

It is a happy number.

39129963 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 not a de Polignac number, because 39129963 - 2⁴ = 39129947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39129973) 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, 11931 + ... + 14852.

It is an arithmetic number, because the mean of its divisors is an integer number (6535296).

Almost surely, 2^39129963 is an apocalyptic number.

39129963 is a deficient number, since it is larger than the sum of its proper divisors (13152405).

39129963 is a wasteful number, since it uses less digits than its factorization.

39129963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27273.

The product of its digits is 78732, while the sum is 42.

The square root of 39129963 is about 6255.3947117668. The cubic root of 39129963 is about 339.4974206726.

The spelling of 39129963 in words is "thirty-nine million, one hundred twenty-nine thousand, nine hundred sixty-three".