498609660 has 48 divisors (see below), whose sum is σ = 1478234016. Its totient is φ = 125140992.

The previous prime is 498609659. The next prime is 498609689. The reversal of 498609660 is 66906894.

It is a super-2 number, since 2×498609660² = 497223186090631200, which contains 22 as substring.

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, 243397 + ... + 245436.

It is an arithmetic number, because the mean of its divisors is an integer number (30796542).

Almost surely, 2^498609660 is an apocalyptic number.

It is an amenable number.

498609660 is an abundant number, since it is smaller than the sum of its proper divisors (979624356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

498609660 is a wasteful number, since it uses less digits than its factorization.

498609660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488862 (or 488860 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 498609660 is about 22329.5691852754. The cubic root of 498609660 is about 792.9641673096.

The spelling of 498609660 in words is "four hundred ninety-eight million, six hundred nine thousand, six hundred sixty".