498218667 has 4 divisors (see below), whose sum is σ = 664291560. Its totient is φ = 332145776.

The previous prime is 498218647. The next prime is 498218671. The reversal of 498218667 is 766812894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 498218667 - 2⁸ = 498218411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498218647) 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 3 ways as a sum of consecutive naturals, for example, 83036442 + ... + 83036447.

It is an arithmetic number, because the mean of its divisors is an integer number (166072890).

Almost surely, 2^498218667 is an apocalyptic number.

498218667 is a deficient number, since it is larger than the sum of its proper divisors (166072893).

498218667 is a wasteful number, since it uses less digits than its factorization.

498218667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166072892.

The product of its digits is 1161216, while the sum is 51.

The square root of 498218667 is about 22320.8124180102. The cubic root of 498218667 is about 792.7568411246.

The spelling of 498218667 in words is "four hundred ninety-eight million, two hundred eighteen thousand, six hundred sixty-seven".