498698647 has 8 divisors (see below), whose sum is σ = 503235072. Its totient is φ = 494172000.

The previous prime is 498698633. The next prime is 498698659. The reversal of 498698647 is 746896894.

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 498698647 - 2¹¹ = 498696599 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 (498698687) 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, 132897 + ... + 136597.

It is an arithmetic number, because the mean of its divisors is an integer number (62904384).

Almost surely, 2^498698647 is an apocalyptic number.

498698647 is a deficient number, since it is larger than the sum of its proper divisors (4536425).

498698647 is a wasteful number, since it uses less digits than its factorization.

498698647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889.

The product of its digits is 20901888, while the sum is 61.

The square root of 498698647 is about 22331.5616784855. The cubic root of 498698647 is about 793.0113380129.

The spelling of 498698647 in words is "four hundred ninety-eight million, six hundred ninety-eight thousand, six hundred forty-seven".