1894648 has 32 divisors (see below), whose sum is σ = 4239360. Its totient is φ = 776160.
The previous prime is 1894643. The next prime is 1894663. The reversal of 1894648 is 8464981.
It is a self number, because there is not a number n which added to its sum of digits gives 1894648.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1894643) 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, 553 + ... + 2023.
It is an arithmetic number, because the mean of its divisors is an integer number (132480).
21894648 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1894648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2119680).
1894648 is an abundant number, since it is smaller than the sum of its proper divisors (2344712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1894648 is a wasteful number, since it uses less digits than its factorization.
1894648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1507 (or 1503 counting only the distinct ones).
The product of its digits is 55296, while the sum is 40.
The square root of 1894648 is about 1376.4621316985. The cubic root of 1894648 is about 123.7398291134.
The spelling of 1894648 in words is "one million, eight hundred ninety-four thousand, six hundred forty-eight".
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