849425 has 12 divisors (see below), whose sum is σ = 1072476. Its totient is φ = 667200.

The previous prime is 849419. The next prime is 849427. The reversal of 849425 is 524948.

849425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 341056 + 508369 = 584^2 + 713^2 .

It is not a de Polignac number, because 849425 - 2¹⁸ = 587281 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 849391 and 849400.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 849425.

It is not an unprimeable number, because it can be changed into a prime (849427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1247 + ... + 1803.

It is an arithmetic number, because the mean of its divisors is an integer number (89373).

2⁸⁴⁹⁴²⁵ is an apocalyptic number.

It is an amenable number.

849425 is a deficient number, since it is larger than the sum of its proper divisors (223051).

849425 is a wasteful number, since it uses less digits than its factorization.

849425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 623 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 849425 is about 921.6425554411. The cubic root of 849425 is about 94.7054589303.

It can be divided in two parts, 849 and 425, that multiplied together give a triangular number (360825 = T₈₄₉).

The spelling of 849425 in words is "eight hundred forty-nine thousand, four hundred twenty-five".