850345 has 8 divisors (see below), whose sum is σ = 1074240. Its totient is φ = 644400.

The previous prime is 850337. The next prime is 850349. The reversal of 850345 is 543058.

It is a happy number.

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

It is not a de Polignac number, because 850345 - 2³ = 850337 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (850349) 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, 4381 + ... + 4570.

It is an arithmetic number, because the mean of its divisors is an integer number (134280).

2⁸⁵⁰³⁴⁵ is an apocalyptic number.

It is an amenable number.

850345 is a deficient number, since it is larger than the sum of its proper divisors (223895).

850345 is a wasteful number, since it uses less digits than its factorization.

850345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8975.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 850345 is about 922.1415292676. The cubic root of 850345 is about 94.7396379671.

The spelling of 850345 in words is "eight hundred fifty thousand, three hundred forty-five".