498512805 has 16 divisors (see below), whose sum is σ = 911566464. Its totient is φ = 227891520.

The previous prime is 498512783. The next prime is 498512867. The reversal of 498512805 is 508215894.

It is a happy number.

It is not a de Polignac number, because 498512805 - 2⁹ = 498512293 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2373766 + ... + 2373975.

It is an arithmetic number, because the mean of its divisors is an integer number (56972904).

Almost surely, 2^498512805 is an apocalyptic number.

It is an amenable number.

498512805 is a deficient number, since it is larger than the sum of its proper divisors (413053659).

498512805 is a wasteful number, since it uses less digits than its factorization.

498512805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747756.

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 498512805 is about 22327.4003188907. The cubic root of 498512805 is about 792.9128195159.

The spelling of 498512805 in words is "four hundred ninety-eight million, five hundred twelve thousand, eight hundred five".