389703069 has 20 divisors (see below), whose sum is σ = 665314144. Its totient is φ = 222687144.

The previous prime is 389703049. The next prime is 389703071. The reversal of 389703069 is 960307983.

It is a happy number.

It is not a de Polignac number, because 389703069 - 2⁷ = 389702941 is a prime.

It is a super-2 number, since 2×389703069² = 303736963976037522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389703049) 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 19 ways as a sum of consecutive naturals, for example, 343087 + ... + 344220.

Almost surely, 2^389703069 is an apocalyptic number.

It is an amenable number.

389703069 is a deficient number, since it is larger than the sum of its proper divisors (275611075).

389703069 is an equidigital number, since it uses as much as digits as its factorization.

389703069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687326 (or 687317 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 389703069 is about 19740.8983838122. The cubic root of 389703069 is about 730.4288897719.

The spelling of 389703069 in words is "three hundred eighty-nine million, seven hundred three thousand, sixty-nine".