671546 has 8 divisors (see below), whose sum is σ = 1010880. Its totient is φ = 334588.

The previous prime is 671537. The next prime is 671557. The reversal of 671546 is 645176.

671546 is nontrivially palindromic in base 16.

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

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, 575 + ... + 1293.

It is an arithmetic number, because the mean of its divisors is an integer number (126360).

2⁶⁷¹⁵⁴⁶ is an apocalyptic number.

671546 is a deficient number, since it is larger than the sum of its proper divisors (339334).

671546 is a wasteful number, since it uses less digits than its factorization.

671546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188.

The product of its digits is 5040, while the sum is 29.

The square root of 671546 is about 819.4791028452. The cubic root of 671546 is about 87.5706531388.

The spelling of 671546 in words is "six hundred seventy-one thousand, five hundred forty-six".