2287393 has 2 divisors, whose sum is σ = 2287394. Its totient is φ = 2287392.

The previous prime is 2287387. The next prime is 2287409. The reversal of 2287393 is 3937822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1595169 + 692224 = 1263^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287393 - 2⁹ = 2286881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2287343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143696 + 1143697.

It is an arithmetic number, because the mean of its divisors is an integer number (1143697).

2^2287393 is an apocalyptic number.

It is an amenable number.

2287393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287393 is an equidigital number, since it uses as much as digits as its factorization.

2287393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 2287393 is about 1512.4129727029. The cubic root of 2287393 is about 131.7589916654.

The spelling of 2287393 in words is "two million, two hundred eighty-seven thousand, three hundred ninety-three".