39000087 has 24 divisors (see below), whose sum is σ = 65295360. Its totient is φ = 21969360.

The previous prime is 39000079. The next prime is 39000107. The reversal of 39000087 is 78000093.

It is a happy number.

It is not a de Polignac number, because 39000087 - 2³ = 39000079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39000087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39000037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114 + ... + 8832.

It is an arithmetic number, because the mean of its divisors is an integer number (2720640).

Almost surely, 2^39000087 is an apocalyptic number.

39000087 is a deficient number, since it is larger than the sum of its proper divisors (26295273).

39000087 is a wasteful number, since it uses less digits than its factorization.

39000087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803 (or 8800 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 39000087 is about 6245.0049639692. The cubic root of 39000087 is about 339.1213964682.

The spelling of 39000087 in words is "thirty-nine million, eighty-seven", and thus it is an aban number and an uban number.