667004898 has 32 divisors (see below), whose sum is σ = 1525607424. Its totient is φ = 190444752.

The previous prime is 667004887. The next prime is 667004917. The reversal of 667004898 is 898400766.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70611 + ... + 79497.

It is an arithmetic number, because the mean of its divisors is an integer number (47675232).

Almost surely, 2^667004898 is an apocalyptic number.

667004898 is an abundant number, since it is smaller than the sum of its proper divisors (858602526).

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

667004898 is a wasteful number, since it uses less digits than its factorization.

667004898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 667004898 is about 25826.4379657745. The cubic root of 667004898 is about 873.7281759015.

The spelling of 667004898 in words is "six hundred sixty-seven million, four thousand, eight hundred ninety-eight".