1671224 has 16 divisors (see below), whose sum is σ = 3148200. Its totient is φ = 831712.

The previous prime is 1671223. The next prime is 1671227. The reversal of 1671224 is 4221761.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1671224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207 + ... + 2865.

2^1671224 is an apocalyptic number.

It is an amenable number.

1671224 is a deficient number, since it is larger than the sum of its proper divisors (1476976).

1671224 is a wasteful number, since it uses less digits than its factorization.

1671224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 978 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 1671224 is about 1292.7582914064. The cubic root of 1671224 is about 118.6710781230.

Adding to 1671224 its reverse (4221761), we get a palindrome (5892985).

The spelling of 1671224 in words is "one million, six hundred seventy-one thousand, two hundred twenty-four".