466840909 has 4 divisors (see below), whose sum is σ = 467563104. Its totient is φ = 466118716.

The previous prime is 466840903. The next prime is 466840919. The reversal of 466840909 is 909048664.

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 466840909 - 2¹¹ = 466838861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (466840903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360127 + ... + 361420.

It is an arithmetic number, because the mean of its divisors is an integer number (116890776).

Almost surely, 2^466840909 is an apocalyptic number.

It is an amenable number.

466840909 is a deficient number, since it is larger than the sum of its proper divisors (722195).

466840909 is an equidigital number, since it uses as much as digits as its factorization.

466840909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722194.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 466840909 is about 21606.5015446740. The cubic root of 466840909 is about 775.7521156425.

The spelling of 466840909 in words is "four hundred sixty-six million, eight hundred forty thousand, nine hundred nine".