2831396 has 6 divisors (see below), whose sum is σ = 4954950. Its totient is φ = 1415696.

The previous prime is 2831393. The next prime is 2831407. The reversal of 2831396 is 6931382.

It can be written as a sum of positive squares in only one way, i.e., 2768896 + 62500 = 1664^2 + 250^2 .

It is not an unprimeable number, because it can be changed into a prime (2831393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353921 + ... + 353928.

It is an arithmetic number, because the mean of its divisors is an integer number (825825).

2^2831396 is an apocalyptic number.

It is an amenable number.

2831396 is a deficient number, since it is larger than the sum of its proper divisors (2123554).

2831396 is a wasteful number, since it uses less digits than its factorization.

2831396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707853 (or 707851 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 2831396 is about 1682.6752509026. The cubic root of 2831396 is about 141.4708201889.

The spelling of 2831396 in words is "two million, eight hundred thirty-one thousand, three hundred ninety-six".