496904805 has 18 divisors (see below), whose sum is σ = 861560934. Its totient is φ = 264936144.

The previous prime is 496904753. The next prime is 496904851. The reversal of 496904805 is 508409694.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 397523844 + 99380961 = 19938^2 + 9969^2 .

It is not a de Polignac number, because 496904805 - 2²¹ = 494807653 is a prime.

It is a super-3 number, since 3×496904805³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 147874 + ... + 151196.

Almost surely, 2^496904805 is an apocalyptic number.

496904805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

496904805 is a deficient number, since it is larger than the sum of its proper divisors (364656129).

496904805 is an frugal number, since it uses more digits than its factorization.

496904805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657 (or 3331 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 496904805 is about 22291.3616676954. The cubic root of 496904805 is about 792.0593628982.

Multiplying 496904805 by its sum of digits (45), we get a square (22360716225 = 149535²).

496904805 divided by its sum of digits (45) gives a square (11042329 = 3323²).

The spelling of 496904805 in words is "four hundred ninety-six million, nine hundred four thousand, eight hundred five".