684266848 has 24 divisors (see below), whose sum is σ = 1348968600. Its totient is φ = 341671680.

The previous prime is 684266833. The next prime is 684266879. The reversal of 684266848 is 848662486.

It is a super-2 number, since 2×684266848² = 936442238543710208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 684266795 and 684266804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10303 + ... + 38401.

It is an arithmetic number, because the mean of its divisors is an integer number (56207025).

Almost surely, 2^684266848 is an apocalyptic number.

It is an amenable number.

684266848 is a deficient number, since it is larger than the sum of its proper divisors (664701752).

684266848 is a wasteful number, since it uses less digits than its factorization.

684266848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28870 (or 28862 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 52.

The square root of 684266848 is about 26158.4947579176. The cubic root of 684266848 is about 881.2013756650.

The spelling of 684266848 in words is "six hundred eighty-four million, two hundred sixty-six thousand, eight hundred forty-eight".