2408729 has 2 divisors, whose sum is σ = 2408730. Its totient is φ = 2408728.

The previous prime is 2408723. The next prime is 2408741. The reversal of 2408729 is 9278042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2408704 + 25 = 1552^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2408729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2408695 and 2408704.

It is not a weakly prime, because it can be changed into another prime (2408723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204364 + 1204365.

It is an arithmetic number, because the mean of its divisors is an integer number (1204365).

2^2408729 is an apocalyptic number.

It is an amenable number.

2408729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2408729 is an equidigital number, since it uses as much as digits as its factorization.

2408729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2408729 is about 1552.0080541028. The cubic root of 2408729 is about 134.0487125190.

The spelling of 2408729 in words is "two million, four hundred eight thousand, seven hundred twenty-nine".