496408409 has 8 divisors (see below), whose sum is σ = 570938688. Its totient is φ = 422781840.

The previous prime is 496408373. The next prime is 496408411. The reversal of 496408409 is 904804694.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 496408409 - 2⁸ = 496408153 is a prime.

It is a super-2 number, since 2×496408409² = 492842617051822562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 496408409.

It is not an unprimeable number, because it can be changed into a prime (496408439) 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 in 7 ways as a sum of consecutive naturals, for example, 224747 + ... + 226944.

It is an arithmetic number, because the mean of its divisors is an integer number (71367336).

Almost surely, 2^496408409 is an apocalyptic number.

It is an amenable number.

496408409 is a deficient number, since it is larger than the sum of its proper divisors (74530279).

496408409 is a wasteful number, since it uses less digits than its factorization.

496408409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451855.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 496408409 is about 22280.2246173597. The cubic root of 496408409 is about 791.7955255780.

The spelling of 496408409 in words is "four hundred ninety-six million, four hundred eight thousand, four hundred nine".