2293649 has 2 divisors, whose sum is σ = 2293650. Its totient is φ = 2293648.

The previous prime is 2293637. The next prime is 2293673. The reversal of 2293649 is 9463922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1803649 + 490000 = 1343^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2293649 - 2⁴ = 2293633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2293549) 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 as a sum of consecutive naturals, namely, 1146824 + 1146825.

It is an arithmetic number, because the mean of its divisors is an integer number (1146825).

2^2293649 is an apocalyptic number.

It is an amenable number.

2293649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2293649 is an equidigital number, since it uses as much as digits as its factorization.

2293649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 2293649 is about 1514.4797786699. The cubic root of 2293649 is about 131.8790022220.

The spelling of 2293649 in words is "two million, two hundred ninety-three thousand, six hundred forty-nine".