1830396 has 12 divisors (see below), whose sum is σ = 4270952. Its totient is φ = 610128.
The previous prime is 1830391. The next prime is 1830401. The reversal of 1830396 is 6930381.
It is an interprime number because it is at equal distance from previous prime (1830391) and next prime (1830401).
It is a tau number, because it is divible by the number of its divisors (12).
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1830391) 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, 76255 + ... + 76278.
21830396 is an apocalyptic number.
It is an amenable number.
1830396 is an abundant number, since it is smaller than the sum of its proper divisors (2440556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1830396 is a wasteful number, since it uses less digits than its factorization.
1830396 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152540 (or 152538 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 1830396 is about 1352.9212837412. The cubic root of 1830396 is about 122.3249422351.
The spelling of 1830396 in words is "one million, eight hundred thirty thousand, three hundred ninety-six".
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