498638089 has 8 divisors (see below), whose sum is σ = 502941248. Its totient is φ = 494348400.

The previous prime is 498638057. The next prime is 498638099. The reversal of 498638089 is 980836894.

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 498638089 - 2⁵ = 498638057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498638009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79579 + ... + 85615.

It is an arithmetic number, because the mean of its divisors is an integer number (62867656).

Almost surely, 2^498638089 is an apocalyptic number.

It is an amenable number.

498638089 is a deficient number, since it is larger than the sum of its proper divisors (4303159).

498638089 is a wasteful number, since it uses less digits than its factorization.

498638089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 498638089 is about 22330.2057536423. The cubic root of 498638089 is about 792.9792377155.

The spelling of 498638089 in words is "four hundred ninety-eight million, six hundred thirty-eight thousand, eighty-nine".