849722 has 4 divisors (see below), whose sum is σ = 1274586.
Its totient is φ = 424860.
The previous prime is 849721. The next prime is 849727. The reversal of 849722 is 227948.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 546121 + 303601 = 739^2 + 551^2
It is not an unprimeable number, because it can be changed into a prime (849721) 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 as a sum of consecutive naturals, namely, 212429 + ... + 212432.
2849722 is an apocalyptic number.
849722 is a deficient number, since it is larger than the sum of its proper divisors (424864).
849722 is a wasteful number, since it uses less digits than its factorization.
849722 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424863.
The product of its digits is 8064, while the sum is 32.
The square root of 849722 is about 921.8036667317.
The cubic root of 849722 is about 94.7164955114.
The spelling of 849722 in words is "eight hundred forty-nine thousand, seven hundred twenty-two".