1868133 has 8 divisors (see below), whose sum is σ = 2501568. Its totient is φ = 1240064.
The previous prime is 1868107. The next prime is 1868149. The reversal of 1868133 is 3318681.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1868133 - 210 = 1867109 is a prime.
It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 1868133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1868173) 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, 441 + ... + 1982.
It is an arithmetic number, because the mean of its divisors is an integer number (312696).
21868133 is an apocalyptic number.
It is an amenable number.
1868133 is a deficient number, since it is larger than the sum of its proper divisors (633435).
1868133 is a wasteful number, since it uses less digits than its factorization.
1868133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2683.
The product of its digits is 3456, while the sum is 30.
The square root of 1868133 is about 1366.7966198378. The cubic root of 1868133 is about 123.1598819804.
The spelling of 1868133 in words is "one million, eight hundred sixty-eight thousand, one hundred thirty-three".
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