684482916 has 48 divisors (see below), whose sum is σ = 1752456384. Its totient is φ = 206633856.

The previous prime is 684482899. The next prime is 684482927. The reversal of 684482916 is 619284486.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33126 + ... + 49661.

It is an arithmetic number, because the mean of its divisors is an integer number (36509508).

Almost surely, 2^684482916 is an apocalyptic number.

It is an amenable number.

684482916 is an abundant number, since it is smaller than the sum of its proper divisors (1067973468).

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

684482916 is a wasteful number, since it uses less digits than its factorization.

684482916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82860 (or 82858 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 684482916 is about 26162.6244096421. The cubic root of 684482916 is about 881.2941169604.

The spelling of 684482916 in words is "six hundred eighty-four million, four hundred eighty-two thousand, nine hundred sixteen".