389070329 has 4 divisors (see below), whose sum is σ = 389120676. Its totient is φ = 389019984.

The previous prime is 389070317. The next prime is 389070343. The reversal of 389070329 is 923070983.

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

It can be written as a sum of positive squares in 2 ways, for example, as 269124025 + 119946304 = 16405^2 + 10952^2 .

It is a cyclic number.

It is not a de Polignac number, because 389070329 - 2²⁴ = 372293113 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (389070349) 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, 10874 + ... + 29939.

It is an arithmetic number, because the mean of its divisors is an integer number (97280169).

Almost surely, 2^389070329 is an apocalyptic number.

It is an amenable number.

389070329 is a deficient number, since it is larger than the sum of its proper divisors (50347).

389070329 is an equidigital number, since it uses as much as digits as its factorization.

389070329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50346.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 389070329 is about 19724.8657536623. The cubic root of 389070329 is about 730.0333562040.

The spelling of 389070329 in words is "three hundred eighty-nine million, seventy thousand, three hundred twenty-nine".