830242861 has 4 divisors (see below), whose sum is σ = 948848992. Its totient is φ = 711636732.

The previous prime is 830242859. The next prime is 830242877. The reversal of 830242861 is 168242038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 830242861 - 2¹ = 830242859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830212861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59303055 + ... + 59303068.

It is an arithmetic number, because the mean of its divisors is an integer number (237212248).

Almost surely, 2^830242861 is an apocalyptic number.

It is an amenable number.

830242861 is a deficient number, since it is larger than the sum of its proper divisors (118606131).

830242861 is a wasteful number, since it uses less digits than its factorization.

830242861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118606130.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 830242861 is about 28813.9351876831. The cubic root of 830242861 is about 939.8712895295.

Adding to 830242861 its reverse (168242038), we get a palindrome (998484899).

The spelling of 830242861 in words is "eight hundred thirty million, two hundred forty-two thousand, eight hundred sixty-one".