2856473 has 2 divisors, whose sum is σ = 2856474.
Its totient is φ = 2856472.
The previous prime is 2856461. The next prime is 2856509. The reversal of 2856473 is 3746582.
It is a happy number.
2856473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1517824 + 1338649 = 1232^2 + 1157^2
It is a cyclic number.
It is not a de Polignac number, because 2856473 - 26 = 2856409 is a prime.
It is a d-powerful number, because it can be written as 219 + 8 + 57 + 67 + 49 + 76 + 313 .
It is not a weakly prime, because it can be changed into another prime (2856173) 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 as a sum of consecutive naturals, namely, 1428236 + 1428237.
It is an arithmetic number, because the mean of its divisors is an integer number (1428237).
22856473 is an apocalyptic number.
It is an amenable number.
2856473 is a deficient number, since it is larger than the sum of its proper divisors (1).
2856473 is an equidigital number, since it uses as much as digits as its factorization.
2856473 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 40320, while the sum is 35.
The square root of 2856473 is about 1690.1103514268.
The cubic root of 2856473 is about 141.8872509749.
The spelling of 2856473 in words is "two million, eight hundred fifty-six thousand, four hundred seventy-three".