2409769 has 2 divisors, whose sum is σ = 2409770. Its totient is φ = 2409768.

The previous prime is 2409731. The next prime is 2409791. The reversal of 2409769 is 9679042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1993744 + 416025 = 1412^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2409769 - 2²¹ = 312617 is a prime.

It is a super-2 number, since 2×2409769² = 11613973266722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2409709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204884 + 1204885.

It is an arithmetic number, because the mean of its divisors is an integer number (1204885).

2^2409769 is an apocalyptic number.

It is an amenable number.

2409769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2409769 is an equidigital number, since it uses as much as digits as its factorization.

2409769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2409769 is about 1552.3430677527. The cubic root of 2409769 is about 134.0680021668.

The spelling of 2409769 in words is "two million, four hundred nine thousand, seven hundred sixty-nine".