671485 has 8 divisors (see below), whose sum is σ = 840960. Its totient is φ = 513744.

The previous prime is 671477. The next prime is 671501. The reversal of 671485 is 584176.

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

It is a cyclic number.

It is not a de Polignac number, because 671485 - 2³ = 671477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2805 + ... + 3034.

It is an arithmetic number, because the mean of its divisors is an integer number (105120).

2⁶⁷¹⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

671485 is a deficient number, since it is larger than the sum of its proper divisors (169475).

671485 is a wasteful number, since it uses less digits than its factorization.

671485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867.

The product of its digits is 6720, while the sum is 31.

The square root of 671485 is about 819.4418832352. The cubic root of 671485 is about 87.5680015599.

It can be divided in two parts, 671 and 485, that added together give a square (1156 = 34²).

The spelling of 671485 in words is "six hundred seventy-one thousand, four hundred eighty-five".