389741 has 6 divisors (see below), whose sum is σ = 428526. Its totient is φ = 354200.
The previous prime is 389723. The next prime is 389743. The reversal of 389741 is 147983.
It can be written as a sum of positive squares in only one way, i.e., 366025 + 23716 = 605^2 + 154^2 .
It is not a de Polignac number, because 389741 - 214 = 373357 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 389698 and 389707.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389741.
It is not an unprimeable number, because it can be changed into a prime (389743) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1490 + ... + 1731.
It is an arithmetic number, because the mean of its divisors is an integer number (71421).
2389741 is an apocalyptic number.
It is an amenable number.
389741 is a deficient number, since it is larger than the sum of its proper divisors (38785).
389741 is a wasteful number, since it uses less digits than its factorization.
389741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3243 (or 3232 counting only the distinct ones).
The product of its digits is 6048, while the sum is 32.
The square root of 389741 is about 624.2923994412. The cubic root of 389741 is about 73.0452587301.
It can be divided in two parts, 38 and 9741, that added together give a palindrome (9779).
The spelling of 389741 in words is "three hundred eighty-nine thousand, seven hundred forty-one".
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