670461 has 12 divisors (see below), whose sum is σ = 983136. Its totient is φ = 406120.

The previous prime is 670457. The next prime is 670471. The reversal of 670461 is 164076.

It is not a de Polignac number, because 670461 - 2² = 670457 is a prime.

670461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (81928).

2⁶⁷⁰⁴⁶¹ is an apocalyptic number.

It is an amenable number.

670461 is a deficient number, since it is larger than the sum of its proper divisors (312675).

670461 is a wasteful number, since it uses less digits than its factorization.

670461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1861 counting only the distinct ones).

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

The square root of 670461 is about 818.8168293336. The cubic root of 670461 is about 87.5234658152.

The spelling of 670461 in words is "six hundred seventy thousand, four hundred sixty-one".