850398 has 16 divisors (see below), whose sum is σ = 1710336. Its totient is φ = 281880.

The previous prime is 850397. The next prime is 850403. The reversal of 850398 is 893058.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 850398.

It is not an unprimeable number, because it can be changed into a prime (850393) 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, 1365 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (106896).

2⁸⁵⁰³⁹⁸ is an apocalyptic number.

850398 is an abundant number, since it is smaller than the sum of its proper divisors (859938).

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

850398 is a wasteful number, since it uses less digits than its factorization.

850398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 850398 is about 922.1702662741. The cubic root of 850398 is about 94.7416062257.

The spelling of 850398 in words is "eight hundred fifty thousand, three hundred ninety-eight".