99000039 has 8 divisors (see below), whose sum is σ = 132119152. Its totient is φ = 65940480.

The previous prime is 99000037. The next prime is 99000047. The reversal of 99000039 is 93000099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99000039 - 2¹ = 99000037 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 (99000037) 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, 10852 + ... + 17769.

It is an arithmetic number, because the mean of its divisors is an integer number (16514894).

Almost surely, 2^99000039 is an apocalyptic number.

99000039 is a deficient number, since it is larger than the sum of its proper divisors (33119113).

99000039 is a wasteful number, since it uses less digits than its factorization.

99000039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29777.

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

The square root of 99000039 is about 9949.8763308897. The cubic root of 99000039 is about 462.6065616646.

The spelling of 99000039 in words is "ninety-nine million, thirty-nine", and thus it is an aban number and an uban number.