498838761 has 6 divisors (see below), whose sum is σ = 720544890. Its totient is φ = 332559168.

The previous prime is 498838751. The next prime is 498838771. The reversal of 498838761 is 167838894.

498838761 is a `hidden beast` number, since 498 + 83 + 8 + 76 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (498838751) and next prime (498838771).

It can be written as a sum of positive squares in only one way, i.e., 409819536 + 89019225 = 20244^2 + 9435^2 .

It is not a de Polignac number, because 498838761 - 2⁵ = 498838729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 498838698 and 498838707.

It is not an unprimeable number, because it can be changed into a prime (498838741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27713256 + ... + 27713273.

It is an arithmetic number, because the mean of its divisors is an integer number (120090815).

Almost surely, 2^498838761 is an apocalyptic number.

It is an amenable number.

498838761 is a deficient number, since it is larger than the sum of its proper divisors (221706129).

498838761 is a wasteful number, since it uses less digits than its factorization.

498838761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55426535 (or 55426532 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 498838761 is about 22334.6985876237. The cubic root of 498838761 is about 793.0855990166.

The spelling of 498838761 in words is "four hundred ninety-eight million, eight hundred thirty-eight thousand, seven hundred sixty-one".