4060409 has 2 divisors, whose sum is σ = 4060410. Its totient is φ = 4060408.

The previous prime is 4060403. The next prime is 4060423. The reversal of 4060409 is 9040604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4012009 + 48400 = 2003^2 + 220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4060409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4060403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2030204 + 2030205.

It is an arithmetic number, because the mean of its divisors is an integer number (2030205).

Almost surely, 2^4060409 is an apocalyptic number.

It is an amenable number.

4060409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4060409 is an equidigital number, since it uses as much as digits as its factorization.

4060409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4060409 is about 2015.0456570510. The cubic root of 4060409 is about 159.5352267394.

The spelling of 4060409 in words is "four million, sixty thousand, four hundred nine".