871493 has 8 divisors (see below), whose sum is σ = 1039488. Its totient is φ = 714384.

The previous prime is 871477. The next prime is 871513. The reversal of 871493 is 394178.

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

It is a cyclic number.

It is not a de Polignac number, because 871493 - 2⁴ = 871477 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871463) 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, 2546 + ... + 2867.

It is an arithmetic number, because the mean of its divisors is an integer number (129936).

2⁸⁷¹⁴⁹³ is an apocalyptic number.

It is an amenable number.

871493 is a deficient number, since it is larger than the sum of its proper divisors (167995).

871493 is a wasteful number, since it uses less digits than its factorization.

871493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443.

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

The square root of 871493 is about 933.5378942496. The cubic root of 871493 is about 95.5186042353.

The spelling of 871493 in words is "eight hundred seventy-one thousand, four hundred ninety-three".