1882881 has 72 divisors (see below), whose sum is σ = 3872960. Its totient is φ = 855360.
The previous prime is 1882877. The next prime is 1882891.
It is a happy number.
1882881 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 1882881 - 22 = 1882877 is a prime.
It is a super-2 number, since 2×18828812 = 7090481720322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1882861) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 99090 + ... + 99108.
21882881 is an apocalyptic number.
1882881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1882881 is an abundant number, since it is smaller than the sum of its proper divisors (1990079).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1882881 is a wasteful number, since it uses less digits than its factorization.
1882881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67 (or 53 counting only the distinct ones).
The product of its digits is 8192, while the sum is 36.
The square root of 1882881 is about 1372.1811104953. The cubic root of 1882881 is about 123.4831285995.
The spelling of 1882881 in words is "one million, eight hundred eighty-two thousand, eight hundred eighty-one".
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