831793149 has 24 divisors (see below), whose sum is σ = 1316513952. Its totient is φ = 501882720.

The previous prime is 831793121. The next prime is 831793163. The reversal of 831793149 is 941397138.

It is not a de Polignac number, because 831793149 - 2¹⁷ = 831662077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831797149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3967 + ... + 40979.

It is an arithmetic number, because the mean of its divisors is an integer number (54854748).

Almost surely, 2^831793149 is an apocalyptic number.

It is an amenable number.

831793149 is a deficient number, since it is larger than the sum of its proper divisors (484720803).

831793149 is a wasteful number, since it uses less digits than its factorization.

831793149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37257 (or 37254 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 831793149 is about 28840.8243467485. The cubic root of 831793149 is about 940.4559237671.

The spelling of 831793149 in words is "eight hundred thirty-one million, seven hundred ninety-three thousand, one hundred forty-nine".