684341004 has 24 divisors (see below), whose sum is σ = 1635743088. Its totient is φ = 222549760.

The previous prime is 684340999. The next prime is 684341017. The reversal of 684341004 is 400143486.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694977 + ... + 695960.

It is an arithmetic number, because the mean of its divisors is an integer number (68155962).

Almost surely, 2^684341004 is an apocalyptic number.

It is an amenable number.

684341004 is an abundant number, since it is smaller than the sum of its proper divisors (951402084).

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

684341004 is a wasteful number, since it uses less digits than its factorization.

684341004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390985 (or 1390983 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 684341004 is about 26159.9121558158. The cubic root of 684341004 is about 881.2332073054.

The spelling of 684341004 in words is "six hundred eighty-four million, three hundred forty-one thousand, four".