684484246 has 16 divisors (see below), whose sum is σ = 1035115200. Its totient is φ = 339452800.

The previous prime is 684484237. The next prime is 684484259. The reversal of 684484246 is 642484486.

It is a junction number, because it is equal to n+sod(n) for n = 684484196 and 684484205.

It is a congruent number.

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, 289971 + ... + 292321.

It is an arithmetic number, because the mean of its divisors is an integer number (64694700).

Almost surely, 2^684484246 is an apocalyptic number.

684484246 is a deficient number, since it is larger than the sum of its proper divisors (350630954).

684484246 is a wasteful number, since it uses less digits than its factorization.

684484246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479.

The product of its digits is 1179648, while the sum is 46.

The square root of 684484246 is about 26162.6498275691. The cubic root of 684484246 is about 881.2946877662.

The spelling of 684484246 in words is "six hundred eighty-four million, four hundred eighty-four thousand, two hundred forty-six".