389320 has 16 divisors (see below), whose sum is σ = 876060. Its totient is φ = 155712.
The previous prime is 389303. The next prime is 389357. The reversal of 389320 is 23983.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 381924 + 7396 = 618^2 + 86^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4827 + ... + 4906.
2389320 is an apocalyptic number.
It is an amenable number.
389320 is an abundant number, since it is smaller than the sum of its proper divisors (486740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389320 is a wasteful number, since it uses less digits than its factorization.
389320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9744 (or 9740 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 389320 is about 623.9551265916. The cubic root of 389320 is about 73.0189479806.
The spelling of 389320 in words is "three hundred eighty-nine thousand, three hundred twenty".
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