406064441 has 2 divisors, whose sum is σ = 406064442. Its totient is φ = 406064440.

The previous prime is 406064413. The next prime is 406064479. The reversal of 406064441 is 144460604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398202025 + 7862416 = 19955^2 + 2804^2 .

It is a cyclic number.

It is not a de Polignac number, because 406064441 - 2¹⁰ = 406063417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (406064741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203032220 + 203032221.

It is an arithmetic number, because the mean of its divisors is an integer number (203032221).

Almost surely, 2^406064441 is an apocalyptic number.

It is an amenable number.

406064441 is a deficient number, since it is larger than the sum of its proper divisors (1).

406064441 is an equidigital number, since it uses as much as digits as its factorization.

406064441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 406064441 is about 20151.0406927285. The cubic root of 406064441 is about 740.5112373017.

The spelling of 406064441 in words is "four hundred six million, sixty-four thousand, four hundred forty-one".