39099 has 4 divisors (see below), whose sum is σ = 52136. Its totient is φ = 26064.

The previous prime is 39097. The next prime is 39103. The reversal of 39099 is 99093.

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

It is not a de Polignac number, because 39099 - 2¹ = 39097 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (39097) 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, 6514 + ... + 6519.

It is an arithmetic number, because the mean of its divisors is an integer number (13034).

2³⁹⁰⁹⁹ is an apocalyptic number.

39099 is a deficient number, since it is larger than the sum of its proper divisors (13037).

39099 is a wasteful number, since it uses less digits than its factorization.

39099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13036.

The product of its (nonzero) digits is 2187, while the sum is 30.

The square root of 39099 is about 197.7346707080. The cubic root of 39099 is about 33.9407850501.

The spelling of 39099 in words is "thirty-nine thousand, ninety-nine".