2293729 has 2 divisors, whose sum is σ = 2293730. Its totient is φ = 2293728.

The previous prime is 2293727. The next prime is 2293751. The reversal of 2293729 is 9273922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1690000 + 603729 = 1300^2 + 777^2 .

It is a cyclic number.

It is not a de Polignac number, because 2293729 - 2¹ = 2293727 is a prime.

It is a super-2 number, since 2×2293729² = 10522385450882, which contains 22 as substring.

Together with 2293727, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2293694 and 2293703.

It is not a weakly prime, because it can be changed into another prime (2293723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146864 + 1146865.

It is an arithmetic number, because the mean of its divisors is an integer number (1146865).

2^2293729 is an apocalyptic number.

It is an amenable number.

2293729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2293729 is an equidigital number, since it uses as much as digits as its factorization.

2293729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 2293729 is about 1514.5061901491. The cubic root of 2293729 is about 131.8805354699.

The spelling of 2293729 in words is "two million, two hundred ninety-three thousand, seven hundred twenty-nine".