1798871 has 2 divisors, whose sum is σ = 1798872. Its totient is φ = 1798870.

The previous prime is 1798861. The next prime is 1798891. The reversal of 1798871 is 1788971.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1798871 - 2¹⁰ = 1797847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1798801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899435 + 899436.

It is an arithmetic number, because the mean of its divisors is an integer number (899436).

2^1798871 is an apocalyptic number.

1798871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1798871 is an equidigital number, since it uses as much as digits as its factorization.

1798871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 41.

The square root of 1798871 is about 1341.2199670449. The cubic root of 1798871 is about 121.6186019773.

The spelling of 1798871 in words is "one million, seven hundred ninety-eight thousand, eight hundred seventy-one".