389703070 has 16 divisors (see below), whose sum is σ = 742728528. Its totient is φ = 146711680.

The previous prime is 389703049. The next prime is 389703071. The reversal of 389703070 is 70307983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389703071) 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 7 ways as a sum of consecutive naturals, for example, 1146016 + ... + 1146355.

It is an arithmetic number, because the mean of its divisors is an integer number (46420533).

Almost surely, 2^389703070 is an apocalyptic number.

389703070 is a deficient number, since it is larger than the sum of its proper divisors (353025458).

389703070 is a wasteful number, since it uses less digits than its factorization.

389703070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292395.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 389703070 is about 19740.8984091403. The cubic root of 389703070 is about 730.4288903967.

The spelling of 389703070 in words is "three hundred eighty-nine million, seven hundred three thousand, seventy".