676224 has 48 divisors (see below), whose sum is σ = 1949220. Its totient is φ = 225024.

The previous prime is 676219. The next prime is 676241. The reversal of 676224 is 422676.

It is a tau number, because it is divible by the number of its divisors (48).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

676224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 859 + ... + 1445.

2⁶⁷⁶²²⁴ is an apocalyptic number.

676224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974610).

676224 is an abundant number, since it is smaller than the sum of its proper divisors (1272996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676224 is a wasteful number, since it uses less digits than its factorization.

676224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 592 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 676224 is about 822.3284015526. The cubic root of 676224 is about 87.7735223180.

It can be divided in two parts, 6762 and 24, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 676224 in words is "six hundred seventy-six thousand, two hundred twenty-four".