39039071 has 4 divisors (see below), whose sum is σ = 39191232. Its totient is φ = 38886912.

The previous prime is 39039067. The next prime is 39039079. The reversal of 39039071 is 17093093.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 39039071 - 2² = 39039067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39039079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75695 + ... + 76208.

It is an arithmetic number, because the mean of its divisors is an integer number (9797808).

Almost surely, 2^39039071 is an apocalyptic number.

39039071 is a deficient number, since it is larger than the sum of its proper divisors (152161).

39039071 is a wasteful number, since it uses less digits than its factorization.

39039071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152160.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 39039071 is about 6248.1253988696. The cubic root of 39039071 is about 339.2343526779.

The spelling of 39039071 in words is "thirty-nine million, thirty-nine thousand, seventy-one".