1868948 has 6 divisors (see below), whose sum is σ = 3270666. Its totient is φ = 934472.
The previous prime is 1868947. The next prime is 1868983. The reversal of 1868948 is 8498681.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1044484 + 824464 = 1022^2 + 908^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1868899 and 1868908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1868947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233615 + ... + 233622.
It is an arithmetic number, because the mean of its divisors is an integer number (545111).
21868948 is an apocalyptic number.
It is an amenable number.
1868948 is a deficient number, since it is larger than the sum of its proper divisors (1401718).
1868948 is a wasteful number, since it uses less digits than its factorization.
1868948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 467241 (or 467239 counting only the distinct ones).
The product of its digits is 110592, while the sum is 44.
The square root of 1868948 is about 1367.0947297097. The cubic root of 1868948 is about 123.1777894689.
The spelling of 1868948 in words is "one million, eight hundred sixty-eight thousand, nine hundred forty-eight".
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