39929086 has 8 divisors (see below), whose sum is σ = 60001704. Its totient is φ = 19928520.

The previous prime is 39929077. The next prime is 39929093. The reversal of 39929086 is 68092993.

It is a happy number.

39929086 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 congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16605 + ... + 18856.

It is an arithmetic number, because the mean of its divisors is an integer number (7500213).

Almost surely, 2^39929086 is an apocalyptic number.

39929086 is a deficient number, since it is larger than the sum of its proper divisors (20072618).

39929086 is a wasteful number, since it uses less digits than its factorization.

39929086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36026.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 39929086 is about 6318.9465894245. The cubic root of 39929086 is about 341.7929677282.

The spelling of 39929086 in words is "thirty-nine million, nine hundred twenty-nine thousand, eighty-six".