389836099 has 4 divisors (see below), whose sum is σ = 389875936. Its totient is φ = 389796264.

The previous prime is 389836093. The next prime is 389836121. The reversal of 389836099 is 990638983.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 389836099 - 2¹¹ = 389834051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389836093) 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, 6022 + ... + 28564.

It is an arithmetic number, because the mean of its divisors is an integer number (97468984).

Almost surely, 2^389836099 is an apocalyptic number.

389836099 is a deficient number, since it is larger than the sum of its proper divisors (39837).

389836099 is a wasteful number, since it uses less digits than its factorization.

389836099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39836.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The square root of 389836099 is about 19744.2674971750. The cubic root of 389836099 is about 730.5119939851.

The spelling of 389836099 in words is "three hundred eighty-nine million, eight hundred thirty-six thousand, ninety-nine".