850397 has 2 divisors, whose sum is σ = 850398. Its totient is φ = 850396.

The previous prime is 850393. The next prime is 850403. The reversal of 850397 is 793058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 630436 + 219961 = 794^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 850397 - 2² = 850393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425198 + 425199.

It is an arithmetic number, because the mean of its divisors is an integer number (425199).

2⁸⁵⁰³⁹⁷ is an apocalyptic number.

It is an amenable number.

850397 is a deficient number, since it is larger than the sum of its proper divisors (1).

850397 is an equidigital number, since it uses as much as digits as its factorization.

850397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 850397 is about 922.1697240747. The cubic root of 850397 is about 94.7415690895.

It can be divided in two parts, 8 and 50397, that added together give a palindrome (50405).

The spelling of 850397 in words is "eight hundred fifty thousand, three hundred ninety-seven".