498912789 has 8 divisors (see below), whose sum is σ = 680687392. Its totient is φ = 324873360.

The previous prime is 498912721. The next prime is 498912863. The reversal of 498912789 is 987219894.

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

It is not a de Polignac number, because 498912789 - 2²¹ = 496815637 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 (498912989) 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, 1933642 + ... + 1933899.

It is an arithmetic number, because the mean of its divisors is an integer number (85085924).

Almost surely, 2^498912789 is an apocalyptic number.

It is an amenable number.

498912789 is a deficient number, since it is larger than the sum of its proper divisors (181774603).

498912789 is a wasteful number, since it uses less digits than its factorization.

498912789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867587.

The product of its digits is 2612736, while the sum is 57.

The square root of 498912789 is about 22336.3557681194. The cubic root of 498912789 is about 793.1248285508.

The spelling of 498912789 in words is "four hundred ninety-eight million, nine hundred twelve thousand, seven hundred eighty-nine".