831268849 has 4 divisors (see below), whose sum is σ = 834996736. Its totient is φ = 827540964.

The previous prime is 831268831. The next prime is 831268859. The reversal of 831268849 is 948862138.

831268849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 831268849 - 2⁵ = 831268817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (831268859) 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, 1863609 + ... + 1864054.

It is an arithmetic number, because the mean of its divisors is an integer number (208749184).

Almost surely, 2^831268849 is an apocalyptic number.

It is an amenable number.

831268849 is a deficient number, since it is larger than the sum of its proper divisors (3727887).

831268849 is a wasteful number, since it uses less digits than its factorization.

831268849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727886.

The product of its digits is 663552, while the sum is 49.

The square root of 831268849 is about 28831.7333679403. The cubic root of 831268849 is about 940.2582846152.

The spelling of 831268849 in words is "eight hundred thirty-one million, two hundred sixty-eight thousand, eight hundred forty-nine".