389465 has 4 divisors (see below), whose sum is σ = 467364. Its totient is φ = 311568.

The previous prime is 389461. The next prime is 389479. The reversal of 389465 is 564983.

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 238144 + 151321 = 488^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 389465 - 2² = 389461 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (389461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38942 + ... + 38951.

It is an arithmetic number, because the mean of its divisors is an integer number (116841).

2³⁸⁹⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

389465 is a deficient number, since it is larger than the sum of its proper divisors (77899).

389465 is an equidigital number, since it uses as much as digits as its factorization.

389465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77898.

The product of its digits is 25920, while the sum is 35.

The square root of 389465 is about 624.0713100279. The cubic root of 389465 is about 73.0280120182.

The spelling of 389465 in words is "three hundred eighty-nine thousand, four hundred sixty-five".