670584 has 16 divisors (see below), whose sum is σ = 1676520. Its totient is φ = 223520.

The previous prime is 670583. The next prime is 670597. The reversal of 670584 is 485076.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670583) 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, 13947 + ... + 13994.

2⁶⁷⁰⁵⁸⁴ is an apocalyptic number.

It is an amenable number.

670584 is an abundant number, since it is smaller than the sum of its proper divisors (1005936).

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

670584 is a wasteful number, since it uses less digits than its factorization.

670584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27950 (or 27946 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 670584 is about 818.8919342624. The cubic root of 670584 is about 87.5288177189.

The spelling of 670584 in words is "six hundred seventy thousand, five hundred eighty-four".