406330289 has 4 divisors (see below), whose sum is σ = 407437824. Its totient is φ = 405222756.

The previous prime is 406330273. The next prime is 406330291. The reversal of 406330289 is 982033604.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406330289 - 2⁴ = 406330273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406333289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553217 + ... + 553950.

It is an arithmetic number, because the mean of its divisors is an integer number (101859456).

Almost surely, 2^406330289 is an apocalyptic number.

It is an amenable number.

406330289 is a deficient number, since it is larger than the sum of its proper divisors (1107535).

406330289 is a wasteful number, since it uses less digits than its factorization.

406330289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107534.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 406330289 is about 20157.6359973088. The cubic root of 406330289 is about 740.6728048309.

The spelling of 406330289 in words is "four hundred six million, three hundred thirty thousand, two hundred eighty-nine".