389236 has 24 divisors (see below), whose sum is σ = 729344. Its totient is φ = 181440.
The previous prime is 389231. The next prime is 389269. The reversal of 389236 is 632983.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 389198 and 389207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5296 + ... + 5368.
2389236 is an apocalyptic number.
It is an amenable number.
389236 is a deficient number, since it is larger than the sum of its proper divisors (340108).
389236 is a wasteful number, since it uses less digits than its factorization.
389236 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151 (or 149 counting only the distinct ones).
The product of its digits is 7776, while the sum is 31.
The square root of 389236 is about 623.8878104275. The cubic root of 389236 is about 73.0136960604.
It can be divided in two parts, 389 and 236, that added together give a 4-th power (625 = 54).
The spelling of 389236 in words is "three hundred eighty-nine thousand, two hundred thirty-six".
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