849930 has 32 divisors (see below), whose sum is σ = 2092608. Its totient is φ = 220800.

The previous prime is 849923. The next prime is 849931. The reversal of 849930 is 39948.

It is a junction number, because it is equal to n+sod(n) for n = 849891 and 849900.

It is not an unprimeable number, because it can be changed into a prime (849931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885 + ... + 1575.

It is an arithmetic number, because the mean of its divisors is an integer number (65394).

2⁸⁴⁹⁹³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046304).

849930 is an abundant number, since it is smaller than the sum of its proper divisors (1242678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849930 is a wasteful number, since it uses less digits than its factorization.

849930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 849930 is about 921.9164821176. The cubic root of 849930 is about 94.7242233030.

The spelling of 849930 in words is "eight hundred forty-nine thousand, nine hundred thirty".