678476 has 12 divisors (see below), whose sum is σ = 1204560. Its totient is φ = 334320.

The previous prime is 678463. The next prime is 678479. The reversal of 678476 is 674876.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 678476.

It is not an unprimeable number, because it can be changed into a prime (678479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911 + ... + 1478.

It is an arithmetic number, because the mean of its divisors is an integer number (100380).

2⁶⁷⁸⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

678476 is a deficient number, since it is larger than the sum of its proper divisors (526084).

678476 is a wasteful number, since it uses less digits than its factorization.

678476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464 (or 2462 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 678476 is about 823.6965460654. The cubic root of 678476 is about 87.8708504968.

Subtracting from 678476 its reverse (674876), we obtain a square (3600 = 60²).

The spelling of 678476 in words is "six hundred seventy-eight thousand, four hundred seventy-six".