389029609 has 4 divisors (see below), whose sum is σ = 389155540. Its totient is φ = 388903680.

The previous prime is 389029583. The next prime is 389029639. The reversal of 389029609 is 906920983.

It is a happy number.

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 205291584 + 183738025 = 14328^2 + 13555^2 .

It is a cyclic number.

It is not a de Polignac number, because 389029609 - 2¹³ = 389021417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389029639) 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, 58212 + ... + 64549.

It is an arithmetic number, because the mean of its divisors is an integer number (97288885).

Almost surely, 2^389029609 is an apocalyptic number.

It is an amenable number.

389029609 is a deficient number, since it is larger than the sum of its proper divisors (125931).

389029609 is a wasteful number, since it uses less digits than its factorization.

389029609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125930.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 389029609 is about 19723.8335269795. The cubic root of 389029609 is about 730.0078869480.

The spelling of 389029609 in words is "three hundred eighty-nine million, twenty-nine thousand, six hundred nine".