850243424 has 48 divisors (see below), whose sum is σ = 1726610256. Its totient is φ = 411840000.

The previous prime is 850243411. The next prime is 850243441. The reversal of 850243424 is 424342058.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295754 + ... + 298614.

It is an arithmetic number, because the mean of its divisors is an integer number (35971047).

Almost surely, 2^850243424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850243424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863305128).

850243424 is an abundant number, since it is smaller than the sum of its proper divisors (876366832).

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

850243424 is a wasteful number, since it uses less digits than its factorization.

850243424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159 (or 3151 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 850243424 is about 29158.9338625403. The cubic root of 850243424 is about 947.3586551525.

The spelling of 850243424 in words is "eight hundred fifty million, two hundred forty-three thousand, four hundred twenty-four".