671480 has 16 divisors (see below), whose sum is σ = 1510920. Its totient is φ = 268576.

The previous prime is 671477. The next prime is 671501. The reversal of 671480 is 84176.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 671480.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8354 + ... + 8433.

2⁶⁷¹⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

671480 is an abundant number, since it is smaller than the sum of its proper divisors (839440).

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

671480 is a wasteful number, since it uses less digits than its factorization.

671480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16798 (or 16794 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 671480 is about 819.4388323725. The cubic root of 671480 is about 87.5677842103.

The spelling of 671480 in words is "six hundred seventy-one thousand, four hundred eighty".