2831393 has 2 divisors, whose sum is σ = 2831394. Its totient is φ = 2831392.

The previous prime is 2831377. The next prime is 2831407. The reversal of 2831393 is 3931382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1682209 + 1149184 = 1297^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 2831393 - 2⁴ = 2831377 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 8⁷ + 3⁸ + 1 + 3⁹ + 9⁴ + 3¹¹ .

It is not a weakly prime, because it can be changed into another prime (2831293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415696 + 1415697.

It is an arithmetic number, because the mean of its divisors is an integer number (1415697).

2^2831393 is an apocalyptic number.

It is an amenable number.

2831393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2831393 is an equidigital number, since it uses as much as digits as its factorization.

2831393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 2831393 is about 1682.6743594647. The cubic root of 2831393 is about 141.4707702238.

The spelling of 2831393 in words is "two million, eight hundred thirty-one thousand, three hundred ninety-three".