1868226 has 8 divisors (see below), whose sum is σ = 3736464. Its totient is φ = 622740.
The previous prime is 1868201. The next prime is 1868231. The reversal of 1868226 is 6228681.
It is a sphenic number, since it is the product of 3 distinct primes.
1868226 is an admirable number.
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, 155680 + ... + 155691.
It is an arithmetic number, because the mean of its divisors is an integer number (467058).
21868226 is an apocalyptic number.
1868226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1868226 is a wasteful number, since it uses less digits than its factorization.
1868226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311376.
The product of its digits is 9216, while the sum is 33.
The square root of 1868226 is about 1366.8306405696. The cubic root of 1868226 is about 123.1619256748.
The spelling of 1868226 in words is "one million, eight hundred sixty-eight thousand, two hundred twenty-six".
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