389378199 has 16 divisors (see below), whose sum is σ = 593626880. Its totient is φ = 222393600.

The previous prime is 389378173. The next prime is 389378203. The reversal of 389378199 is 991873983.

It is not a de Polignac number, because 389378199 - 2⁹ = 389377687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389378159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63624 + ... + 69474.

It is an arithmetic number, because the mean of its divisors is an integer number (37101680).

Almost surely, 2^389378199 is an apocalyptic number.

389378199 is a deficient number, since it is larger than the sum of its proper divisors (204248681).

389378199 is a wasteful number, since it uses less digits than its factorization.

389378199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030.

The product of its digits is 2939328, while the sum is 57.

The square root of 389378199 is about 19732.6683193125. The cubic root of 389378199 is about 730.2258630560.

The spelling of 389378199 in words is "three hundred eighty-nine million, three hundred seventy-eight thousand, one hundred ninety-nine".