849385 has 8 divisors (see below), whose sum is σ = 1024776. Its totient is φ = 675840.

The previous prime is 849383. The next prime is 849391. The reversal of 849385 is 583948.

849385 = T₇₅₁ + T₇₅₂ + T₇₅₃.

It can be written as a sum of positive squares in 4 ways, for example, as 444889 + 404496 = 667^2 + 636^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 849385 - 2¹ = 849383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (128097).

2⁸⁴⁹³⁸⁵ is an apocalyptic number.

849385 is the 753-rd centered triangular number.

It is an amenable number.

849385 is a deficient number, since it is larger than the sum of its proper divisors (175391).

849385 is a wasteful number, since it uses less digits than its factorization.

849385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its digits is 34560, while the sum is 37.

The square root of 849385 is about 921.6208547988. The cubic root of 849385 is about 94.7039723255.

The spelling of 849385 in words is "eight hundred forty-nine thousand, three hundred eighty-five".