850449 has 8 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 563696.

The previous prime is 850439. The next prime is 850453. The reversal of 850449 is 944058.

850449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 850449 - 2⁴ = 850433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (850439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129 + ... + 1310.

It is an arithmetic number, because the mean of its divisors is an integer number (142560).

2⁸⁵⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

850449 is a deficient number, since it is larger than the sum of its proper divisors (290031).

850449 is a wasteful number, since it uses less digits than its factorization.

850449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 850449 is about 922.1979180198. The cubic root of 850449 is about 94.7435001331.

The spelling of 850449 in words is "eight hundred fifty thousand, four hundred forty-nine".