389811434 has 8 divisors (see below), whose sum is σ = 585361728. Its totient is φ = 194690860.

The previous prime is 389811319. The next prime is 389811439. The reversal of 389811434 is 434118983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 389811391 and 389811400.

It is not an unprimeable number, because it can be changed into a prime (389811439) 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, 105152 + ... + 108795.

It is an arithmetic number, because the mean of its divisors is an integer number (73170216).

Almost surely, 2^389811434 is an apocalyptic number.

389811434 is a deficient number, since it is larger than the sum of its proper divisors (195550294).

389811434 is a wasteful number, since it uses less digits than its factorization.

389811434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214860.

The product of its digits is 82944, while the sum is 41.

The square root of 389811434 is about 19743.6428756195. The cubic root of 389811434 is about 730.4965871184.

The spelling of 389811434 in words is "three hundred eighty-nine million, eight hundred eleven thousand, four hundred thirty-four".