830643774 has 8 divisors (see below), whose sum is σ = 1661287560. Its totient is φ = 276881256.

The previous prime is 830643769. The next prime is 830643787. The reversal of 830643774 is 477346038.

830643774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

830643774 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69220309 + ... + 69220320.

It is an arithmetic number, because the mean of its divisors is an integer number (207660945).

Almost surely, 2^830643774 is an apocalyptic number.

830643774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

830643774 is a wasteful number, since it uses less digits than its factorization.

830643774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138440634.

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 830643774 is about 28820.8912769886. The cubic root of 830643774 is about 940.0225488781.

The spelling of 830643774 in words is "eight hundred thirty million, six hundred forty-three thousand, seven hundred seventy-four".