389103 has 16 divisors (see below), whose sum is σ = 610176. Its totient is φ = 217440.
The previous prime is 389099. The next prime is 389111. The reversal of 389103 is 301983.
It is not a de Polignac number, because 389103 - 22 = 389099 is a prime.
It is a super-2 number, since 2×3891032 = 302802289218, which contains 22 as substring.
389103 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389173) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25 + ... + 882.
It is an arithmetic number, because the mean of its divisors is an integer number (38136).
2389103 is an apocalyptic number.
389103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
389103 is a deficient number, since it is larger than the sum of its proper divisors (221073).
389103 is a wasteful number, since it uses less digits than its factorization.
389103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 934.
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 389103 is about 623.7812116440. The cubic root of 389103 is about 73.0053789744.
The spelling of 389103 in words is "three hundred eighty-nine thousand, one hundred three".
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