39959147 has 8 divisors (see below), whose sum is σ = 42255360. Its totient is φ = 37682280.

The previous prime is 39959141. The next prime is 39959219. The reversal of 39959147 is 74195993.

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 39959147 - 2¹⁰ = 39958123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39959141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479 + ... + 8952.

It is an arithmetic number, because the mean of its divisors is an integer number (5281920).

Almost surely, 2^39959147 is an apocalyptic number.

39959147 is a deficient number, since it is larger than the sum of its proper divisors (2296213).

39959147 is a wasteful number, since it uses less digits than its factorization.

39959147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673.

The product of its digits is 306180, while the sum is 47.

The square root of 39959147 is about 6321.3247820374. The cubic root of 39959147 is about 341.8787202632.

The spelling of 39959147 in words is "thirty-nine million, nine hundred fifty-nine thousand, one hundred forty-seven".