39081429 has 12 divisors (see below), whose sum is σ = 56979936. Its totient is φ = 25810152.

The previous prime is 39081401. The next prime is 39081431. The reversal of 39081429 is 92418093.

39081429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39081429 - 2¹² = 39077333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39081393 and 39081402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39081479) 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 11 ways as a sum of consecutive naturals, for example, 19329 + ... + 21254.

It is an arithmetic number, because the mean of its divisors is an integer number (4748328).

Almost surely, 2^39081429 is an apocalyptic number.

It is an amenable number.

39081429 is a deficient number, since it is larger than the sum of its proper divisors (17898507).

39081429 is a wasteful number, since it uses less digits than its factorization.

39081429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40696 (or 40693 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 39081429 is about 6251.5141365912. The cubic root of 39081429 is about 339.3569998491.

The spelling of 39081429 in words is "thirty-nine million, eighty-one thousand, four hundred twenty-nine".