498667659 has 24 divisors (see below), whose sum is σ = 779563008. Its totient is φ = 282698640.

The previous prime is 498667621. The next prime is 498667723. The reversal of 498667659 is 956766894.

It is not a de Polignac number, because 498667659 - 2¹⁷ = 498536587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498667859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5314 + ... + 32024.

It is an arithmetic number, because the mean of its divisors is an integer number (32481792).

Almost surely, 2^498667659 is an apocalyptic number.

498667659 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

498667659 is a deficient number, since it is larger than the sum of its proper divisors (280895349).

498667659 is a wasteful number, since it uses less digits than its factorization.

498667659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26855 (or 26848 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The square root of 498667659 is about 22330.8678514741. The cubic root of 498667659 is about 792.9949123655.

The spelling of 498667659 in words is "four hundred ninety-eight million, six hundred sixty-seven thousand, six hundred fifty-nine".