854929 has 2 divisors, whose sum is σ = 854930. Its totient is φ = 854928.

The previous prime is 854927. The next prime is 854951. The reversal of 854929 is 929458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 123904 = 855^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 854929 - 2¹ = 854927 is a prime.

Together with 854927, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (854921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427464 + 427465.

It is an arithmetic number, because the mean of its divisors is an integer number (427465).

2⁸⁵⁴⁹²⁹ is an apocalyptic number.

It is an amenable number.

854929 is a deficient number, since it is larger than the sum of its proper divisors (1).

854929 is an equidigital number, since it uses as much as digits as its factorization.

854929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 854929 is about 924.6237072453. The cubic root of 854929 is about 94.9095723083.

Subtracting 854929 from its reverse (929458), we obtain a square (74529 = 273²).

The spelling of 854929 in words is "eight hundred fifty-four thousand, nine hundred twenty-nine".