670486 has 8 divisors (see below), whose sum is σ = 1009224. Its totient is φ = 334080.

The previous prime is 670471. The next prime is 670487. The reversal of 670486 is 684076.

670486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670487) 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, 726 + ... + 1366.

It is an arithmetic number, because the mean of its divisors is an integer number (126153).

2⁶⁷⁰⁴⁸⁶ is an apocalyptic number.

670486 is a deficient number, since it is larger than the sum of its proper divisors (338738).

670486 is a wasteful number, since it uses less digits than its factorization.

670486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166.

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

The square root of 670486 is about 818.8320951208. The cubic root of 670486 is about 87.5245536535.

It can be divided in two parts, 670 and 486, that added together give a square (1156 = 34²).

The spelling of 670486 in words is "six hundred seventy thousand, four hundred eighty-six".