684476 has 12 divisors (see below), whose sum is σ = 1290072. Its totient is φ = 315888.

The previous prime is 684473. The next prime is 684493. The reversal of 684476 is 674486.

684476 = 113² + 114² + ... + 151².

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 684476.

It is not an unprimeable number, because it can be changed into a prime (684473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6530 + ... + 6633.

It is an arithmetic number, because the mean of its divisors is an integer number (107506).

2⁶⁸⁴⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

684476 is a deficient number, since it is larger than the sum of its proper divisors (605596).

684476 is a wasteful number, since it uses less digits than its factorization.

684476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13180 (or 13178 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 684476 is about 827.3306473231. The cubic root of 684476 is about 88.1291148758.

The spelling of 684476 in words is "six hundred eighty-four thousand, four hundred seventy-six".