406011769 has 2 divisors, whose sum is σ = 406011770. Its totient is φ = 406011768.

The previous prime is 406011763. The next prime is 406011839. The reversal of 406011769 is 967110604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361456144 + 44555625 = 19012^2 + 6675^2 .

It is a cyclic number.

It is not a de Polignac number, because 406011769 - 2⁵ = 406011737 is a prime.

It is a super-2 number, since 2×406011769² = 329691113133018722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (406011763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203005884 + 203005885.

It is an arithmetic number, because the mean of its divisors is an integer number (203005885).

Almost surely, 2^406011769 is an apocalyptic number.

It is an amenable number.

406011769 is a deficient number, since it is larger than the sum of its proper divisors (1).

406011769 is an equidigital number, since it uses as much as digits as its factorization.

406011769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 406011769 is about 20149.7337203249. The cubic root of 406011769 is about 740.4792178400.

The spelling of 406011769 in words is "four hundred six million, eleven thousand, seven hundred sixty-nine".