684067348 has 12 divisors (see below), whose sum is σ = 1197764820. Its totient is φ = 341848832.

The previous prime is 684067337. The next prime is 684067367. The reversal of 684067348 is 843760486.

It can be written as a sum of positive squares in 2 ways, for example, as 120384784 + 563682564 = 10972^2 + 23742^2 .

It is a junction number, because it is equal to n+sod(n) for n = 684067298 and 684067307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37711 + ... + 52822.

It is an arithmetic number, because the mean of its divisors is an integer number (99813735).

Almost surely, 2^684067348 is an apocalyptic number.

It is an amenable number.

684067348 is a deficient number, since it is larger than the sum of its proper divisors (513697472).

684067348 is a wasteful number, since it uses less digits than its factorization.

684067348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92426 (or 92424 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 684067348 is about 26154.6811871221. The cubic root of 684067348 is about 881.1157283951.

The spelling of 684067348 in words is "six hundred eighty-four million, sixty-seven thousand, three hundred forty-eight".