406361089 has 2 divisors, whose sum is σ = 406361090. Its totient is φ = 406361088.

The previous prime is 406361071. The next prime is 406361101. The reversal of 406361089 is 980163604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339775489 + 66585600 = 18433^2 + 8160^2 .

It is a cyclic number.

It is not a de Polignac number, because 406361089 - 2⁵ = 406361057 is a prime.

It is not a weakly prime, because it can be changed into another prime (406368089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203180544 + 203180545.

It is an arithmetic number, because the mean of its divisors is an integer number (203180545).

Almost surely, 2^406361089 is an apocalyptic number.

It is an amenable number.

406361089 is a deficient number, since it is larger than the sum of its proper divisors (1).

406361089 is an equidigital number, since it uses as much as digits as its factorization.

406361089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 406361089 is about 20158.3999613065. The cubic root of 406361089 is about 740.6915187906.

The spelling of 406361089 in words is "four hundred six million, three hundred sixty-one thousand, eighty-nine".