671492 has 6 divisors (see below), whose sum is σ = 1175118. Its totient is φ = 335744.

The previous prime is 671477. The next prime is 671501. The reversal of 671492 is 294176.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 173056 = 706^2 + 416^2 .

It is an unprimeable number.

671492 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 as a sum of consecutive naturals, namely, 83933 + ... + 83940.

It is an arithmetic number, because the mean of its divisors is an integer number (195853).

2⁶⁷¹⁴⁹² is an apocalyptic number.

It is an amenable number.

671492 is a deficient number, since it is larger than the sum of its proper divisors (503626).

671492 is a wasteful number, since it uses less digits than its factorization.

671492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167877 (or 167875 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 671492 is about 819.4461544238. The cubic root of 671492 is about 87.5683058476.

The spelling of 671492 in words is "six hundred seventy-one thousand, four hundred ninety-two".