890313 has 4 divisors (see below), whose sum is σ = 1187088.
Its totient is φ = 593540.
The previous prime is 890303. The next prime is 890317. The reversal of 890313 is 313098.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 890313 - 210 = 889289 is a prime.
It is a D-number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (890317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148383 + ... + 148388.
It is an arithmetic number, because the mean of its divisors is an integer number (296772).
2890313 is an apocalyptic number.
It is an amenable number.
890313 is a deficient number, since it is larger than the sum of its proper divisors (296775).
890313 is a wasteful number, since it uses less digits than its factorization.
890313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296774.
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 890313 is about 943.5639882912.
The cubic root of 890313 is about 96.2012920471.
The spelling of 890313 in words is "eight hundred ninety thousand, three hundred thirteen".