389229799 has 4 divisors (see below), whose sum is σ = 444834064. Its totient is φ = 333625536.

The previous prime is 389229787. The next prime is 389229809. The reversal of 389229799 is 997922983.

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 389229799 - 2⁵ = 389229767 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 (389229749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27802122 + ... + 27802135.

It is an arithmetic number, because the mean of its divisors is an integer number (111208516).

Almost surely, 2^389229799 is an apocalyptic number.

389229799 is a deficient number, since it is larger than the sum of its proper divisors (55604265).

389229799 is an equidigital number, since it uses as much as digits as its factorization.

389229799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55604264.

The product of its digits is 4408992, while the sum is 58.

The square root of 389229799 is about 19728.9076991100. The cubic root of 389229799 is about 730.1330832615.

The spelling of 389229799 in words is "three hundred eighty-nine million, two hundred twenty-nine thousand, seven hundred ninety-nine".