830468643 has 4 divisors (see below), whose sum is σ = 1107291528. Its totient is φ = 553645760.

The previous prime is 830468603. The next prime is 830468647. The reversal of 830468643 is 346864038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830468643 is a prime.

It is a super-2 number, since 2×830468643² = 1379356334012522898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 830468595 and 830468604.

It is not an unprimeable number, because it can be changed into a prime (830468647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138411438 + ... + 138411443.

It is an arithmetic number, because the mean of its divisors is an integer number (276822882).

Almost surely, 2^830468643 is an apocalyptic number.

830468643 is a deficient number, since it is larger than the sum of its proper divisors (276822885).

830468643 is a wasteful number, since it uses less digits than its factorization.

830468643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276822884.

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 830468643 is about 28817.8528520082. The cubic root of 830468643 is about 939.9564801792.

The spelling of 830468643 in words is "eight hundred thirty million, four hundred sixty-eight thousand, six hundred forty-three".