831400052 has 36 divisors (see below), whose sum is σ = 1717781184. Its totient is φ = 350990640.

The previous prime is 831400051. The next prime is 831400109. The reversal of 831400052 is 250004138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831400051) 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 11 ways as a sum of consecutive naturals, for example, 18524 + ... + 44787.

It is an arithmetic number, because the mean of its divisors is an integer number (47716144).

Almost surely, 2^831400052 is an apocalyptic number.

It is an amenable number.

831400052 is an abundant number, since it is smaller than the sum of its proper divisors (886381132).

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

831400052 is a wasteful number, since it uses less digits than its factorization.

831400052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63396 (or 63387 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 831400052 is about 28834.0086009559. The cubic root of 831400052 is about 940.3077504481.

The spelling of 831400052 in words is "eight hundred thirty-one million, four hundred thousand, fifty-two".