670824 has 96 divisors (see below), whose sum is σ = 2283840. Its totient is φ = 174240.

The previous prime is 670823. The next prime is 670849. The reversal of 670824 is 428076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60979 + ... + 60989.

It is an arithmetic number, because the mean of its divisors is an integer number (23790).

2⁶⁷⁰⁸²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141920).

670824 is an abundant number, since it is smaller than the sum of its proper divisors (1613016).

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

670824 is a wasteful number, since it uses less digits than its factorization.

670824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 670824 is about 819.0384606354. The cubic root of 670824 is about 87.5392585737.

The spelling of 670824 in words is "six hundred seventy thousand, eight hundred twenty-four".