849424 has 10 divisors (see below), whose sum is σ = 1645790. Its totient is φ = 424704.

The previous prime is 849419. The next prime is 849427. The reversal of 849424 is 424948.

It can be written as a sum of positive squares in only one way, i.e., 535824 + 313600 = 732^2 + 560^2 .

It is a super-2 number, since 2×849424² = 1443042263552, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 26529 + ... + 26560.

It is an arithmetic number, because the mean of its divisors is an integer number (164579).

2⁸⁴⁹⁴²⁴ is an apocalyptic number.

It is an amenable number.

849424 is a deficient number, since it is larger than the sum of its proper divisors (796366).

849424 is a wasteful number, since it uses less digits than its factorization.

849424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53097 (or 53091 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 849424 is about 921.6420129313. The cubic root of 849424 is about 94.7054217657.

It can be divided in two parts, 849 and 424, that multiplied together give a triangular number (359976 = T₈₄₈).

The spelling of 849424 in words is "eight hundred forty-nine thousand, four hundred twenty-four".