808940 has 24 divisors (see below), whose sum is σ = 1853712. Its totient is φ = 294080.
The previous prime is 808937. The next prime is 808957. The reversal of 808940 is 49808.
It is an Ulam number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619 + ... + 2058.
It is an arithmetic number, because the mean of its divisors is an integer number (77238).
2808940 is an apocalyptic number.
It is an amenable number.
808940 is an abundant number, since it is smaller than the sum of its proper divisors (1044772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808940 is a wasteful number, since it uses less digits than its factorization.
808940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3697 (or 3695 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 808940 is about 899.4109183238. The cubic root of 808940 is about 93.1762948793.
The spelling of 808940 in words is "eight hundred eight thousand, nine hundred forty".
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