684848004 has 24 divisors (see below), whose sum is σ = 1621831008. Its totient is φ = 224875200.

The previous prime is 684847997. The next prime is 684848029. The reversal of 684848004 is 400848486.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425097 + ... + 426704.

It is an arithmetic number, because the mean of its divisors is an integer number (67576292).

Almost surely, 2^684848004 is an apocalyptic number.

It is an amenable number.

684848004 is an abundant number, since it is smaller than the sum of its proper divisors (936983004).

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

684848004 is a wasteful number, since it uses less digits than its factorization.

684848004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851875 (or 851873 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 684848004 is about 26169.6007611885. The cubic root of 684848004 is about 881.4507766867.

The spelling of 684848004 in words is "six hundred eighty-four million, eight hundred forty-eight thousand, four".