830990 has 16 divisors (see below), whose sum is σ = 1561248. Its totient is φ = 317856.
The previous prime is 830989. The next prime is 831023. The reversal of 830990 is 99038.
830990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent 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, 1577 + ... + 2036.
It is an arithmetic number, because the mean of its divisors is an integer number (97578).
2830990 is an apocalyptic number.
830990 is a deficient number, since it is larger than the sum of its proper divisors (730258).
830990 is a wasteful number, since it uses less digits than its factorization.
830990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3643.
The product of its (nonzero) digits is 1944, while the sum is 29.
The square root of 830990 is about 911.5865290799. The cubic root of 830990 is about 94.0153136361.
The spelling of 830990 in words is "eight hundred thirty thousand, nine hundred ninety".
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