389019067 has 4 divisors (see below), whose sum is σ = 390633496. Its totient is φ = 387404640.

The previous prime is 389019023. The next prime is 389019097. The reversal of 389019067 is 760910983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389019067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389019097) 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, 806853 + ... + 807334.

It is an arithmetic number, because the mean of its divisors is an integer number (97658374).

Almost surely, 2^389019067 is an apocalyptic number.

389019067 is a deficient number, since it is larger than the sum of its proper divisors (1614429).

389019067 is a wasteful number, since it uses less digits than its factorization.

389019067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614428.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 389019067 is about 19723.5662850307. The cubic root of 389019067 is about 730.0012929232.

The spelling of 389019067 in words is "three hundred eighty-nine million, nineteen thousand, sixty-seven".