684296 has 16 divisors (see below), whose sum is σ = 1339200. Its totient is φ = 327184.

The previous prime is 684293. The next prime is 684311. The reversal of 684296 is 692486.

It is a super-2 number, since 2×684296² = 936522031232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (684293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (83700).

2⁶⁸⁴²⁹⁶ is an apocalyptic number.

It is an amenable number.

684296 is a deficient number, since it is larger than the sum of its proper divisors (654904).

684296 is a wasteful number, since it uses less digits than its factorization.

684296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748 (or 3744 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 684296 is about 827.2218565778. The cubic root of 684296 is about 88.1213889505.

The spelling of 684296 in words is "six hundred eighty-four thousand, two hundred ninety-six".