831056738 has 8 divisors (see below), whose sum is σ = 1254951900. Its totient is φ = 412739440.

The previous prime is 831056729. The next prime is 831056771. The reversal of 831056738 is 837650138.

It can be written as a sum of positive squares in 2 ways, for example, as 821796889 + 9259849 = 28667^2 + 3043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 831056695 and 831056704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394093 + ... + 1394688.

Almost surely, 2^831056738 is an apocalyptic number.

831056738 is a deficient number, since it is larger than the sum of its proper divisors (423895162).

831056738 is a wasteful number, since it uses less digits than its factorization.

831056738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788932.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 831056738 is about 28828.0547037083. The cubic root of 831056738 is about 940.1783040365.

The spelling of 831056738 in words is "eight hundred thirty-one million, fifty-six thousand, seven hundred thirty-eight".