1671449 has 16 divisors (see below), whose sum is σ = 1942080. Its totient is φ = 1425600.

The previous prime is 1671443. The next prime is 1671451. The reversal of 1671449 is 9441761.

It is a cyclic number.

It is not a de Polignac number, because 1671449 - 2¹² = 1667353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1671443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16499 + ... + 16599.

It is an arithmetic number, because the mean of its divisors is an integer number (121380).

2^1671449 is an apocalyptic number.

1671449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1671449 is a deficient number, since it is larger than the sum of its proper divisors (270631).

1671449 is a wasteful number, since it uses less digits than its factorization.

1671449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200.

The product of its digits is 6048, while the sum is 32.

The square root of 1671449 is about 1292.8453117059. The cubic root of 1671449 is about 118.6764035201.

The spelling of 1671449 in words is "one million, six hundred seventy-one thousand, four hundred forty-nine".