670146 has 16 divisors (see below), whose sum is σ = 1363008. Its totient is φ = 219600.

The previous prime is 670139. The next prime is 670147. The reversal of 670146 is 641076.

It is a super-2 number, since 2×670146² = 898191322632, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670146.

It is not an unprimeable number, because it can be changed into a prime (670147) by changing a digit.

670146 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 7 ways as a sum of consecutive naturals, for example, 550 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (85188).

2⁶⁷⁰¹⁴⁶ is an apocalyptic number.

670146 is an abundant number, since it is smaller than the sum of its proper divisors (692862).

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

670146 is a wasteful number, since it uses less digits than its factorization.

670146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 670146 is about 818.6244560236. The cubic root of 670146 is about 87.5097567352.

The spelling of 670146 in words is "six hundred seventy thousand, one hundred forty-six".