676408 has 8 divisors (see below), whose sum is σ = 1268280. Its totient is φ = 338200.

The previous prime is 676391. The next prime is 676409. The reversal of 676408 is 804676.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 676408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42268 + ... + 42283.

It is an arithmetic number, because the mean of its divisors is an integer number (158535).

2⁶⁷⁶⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

676408 is a deficient number, since it is larger than the sum of its proper divisors (591872).

676408 is a wasteful number, since it uses less digits than its factorization.

676408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84557 (or 84553 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 676408 is about 822.4402713875. The cubic root of 676408 is about 87.7814826307.

The spelling of 676408 in words is "six hundred seventy-six thousand, four hundred eight".