871449 has 8 divisors (see below), whose sum is σ = 1176960. Its totient is φ = 573456.

The previous prime is 871439. The next prime is 871459. The reversal of 871449 is 944178.

It is an interprime number because it is at equal distance from previous prime (871439) and next prime (871459).

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

It is not a de Polignac number, because 871449 - 2¹⁶ = 805913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (871439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (147120).

2⁸⁷¹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

871449 is a deficient number, since it is larger than the sum of its proper divisors (305511).

871449 is a wasteful number, since it uses less digits than its factorization.

871449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759.

The product of its digits is 8064, while the sum is 33.

The square root of 871449 is about 933.5143276887. The cubic root of 871449 is about 95.5169966916.

It can be divided in two parts, 87144 and 9, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 871449 in words is "eight hundred seventy-one thousand, four hundred forty-nine".