389123234 has 8 divisors (see below), whose sum is σ = 618019308. Its totient is φ = 183116800.

The previous prime is 389123213. The next prime is 389123243. The reversal of 389123234 is 432321983.

It can be written as a sum of positive squares in 2 ways, for example, as 368448025 + 20675209 = 19195^2 + 4547^2 .

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

It is a super-3 number, since 3×389123234³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 389123194 and 389123203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5722367 + ... + 5722434.

Almost surely, 2^389123234 is an apocalyptic number.

389123234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

389123234 is a deficient number, since it is larger than the sum of its proper divisors (228896074).

389123234 is a wasteful number, since it uses less digits than its factorization.

389123234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11444820.

The product of its digits is 31104, while the sum is 35.

The square root of 389123234 is about 19726.2067818423. The cubic root of 389123234 is about 730.0664441929.

The spelling of 389123234 in words is "three hundred eighty-nine million, one hundred twenty-three thousand, two hundred thirty-four".