389292 has 12 divisors (see below), whose sum is σ = 908376. Its totient is φ = 129760.
The previous prime is 389287. The next prime is 389297. The reversal of 389292 is 292983.
It is an interprime number because it is at equal distance from previous prime (389287) and next prime (389297).
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×3892922 = 303096522528, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (389297) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16209 + ... + 16232.
It is an arithmetic number, because the mean of its divisors is an integer number (75698).
2389292 is an apocalyptic number.
It is an amenable number.
389292 is an abundant number, since it is smaller than the sum of its proper divisors (519084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389292 is a wasteful number, since it uses less digits than its factorization.
389292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32448 (or 32446 counting only the distinct ones).
The product of its digits is 7776, while the sum is 33.
The square root of 389292 is about 623.9326886772. The cubic root of 389292 is about 73.0171974245.
The spelling of 389292 in words is "three hundred eighty-nine thousand, two hundred ninety-two".
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