830643336 has 80 divisors (see below), whose sum is σ = 2336297040. Its totient is φ = 275724000.

The previous prime is 830643323. The next prime is 830643337. The reversal of 830643336 is 633346038.

It is a happy number.

830643336 is a `hidden beast` number, since 8 + 3 + 0 + 643 + 3 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 830643336.

It is not an unprimeable number, because it can be changed into a prime (830643337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 160095 + ... + 165201.

It is an arithmetic number, because the mean of its divisors is an integer number (29203713).

Almost surely, 2^830643336 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 830643336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168148520).

830643336 is an abundant number, since it is smaller than the sum of its proper divisors (1505653704).

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

830643336 is a wasteful number, since it uses less digits than its factorization.

830643336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376 (or 5363 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The square root of 830643336 is about 28820.8836783330. The cubic root of 830643336 is about 940.0223836529.

The spelling of 830643336 in words is "eight hundred thirty million, six hundred forty-three thousand, three hundred thirty-six".