850378 has 4 divisors (see below), whose sum is σ = 1275570. Its totient is φ = 425188.

The previous prime is 850373. The next prime is 850387. The reversal of 850378 is 873058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873058 = 2 ⋅436529.

It can be written as a sum of positive squares in only one way, i.e., 815409 + 34969 = 903^2 + 187^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (850373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212593 + ... + 212596.

2⁸⁵⁰³⁷⁸ is an apocalyptic number.

850378 is a deficient number, since it is larger than the sum of its proper divisors (425192).

850378 is a wasteful number, since it uses less digits than its factorization.

850378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425191.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 850378 is about 922.1594222259. The cubic root of 850378 is about 94.7408634962.

The spelling of 850378 in words is "eight hundred fifty thousand, three hundred seventy-eight".