849790 has 8 divisors (see below), whose sum is σ = 1529640. Its totient is φ = 339912.

The previous prime is 849773. The next prime is 849829. The reversal of 849790 is 97948.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

849790 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42480 + ... + 42499.

It is an arithmetic number, because the mean of its divisors is an integer number (191205).

2⁸⁴⁹⁷⁹⁰ is an apocalyptic number.

849790 is a deficient number, since it is larger than the sum of its proper divisors (679850).

849790 is a wasteful number, since it uses less digits than its factorization.

849790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84986.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 849790 is about 921.8405502038. The cubic root of 849790 is about 94.7190220435.

The spelling of 849790 in words is "eight hundred forty-nine thousand, seven hundred ninety".