1589881 has 2 divisors, whose sum is σ = 1589882. Its totient is φ = 1589880.

The previous prime is 1589851. The next prime is 1589893. The reversal of 1589881 is 1889851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229881 + 360000 = 1109^2 + 600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1589881 - 2⁵ = 1589849 is a prime.

It is a super-2 number, since 2×1589881² = 5055443188322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1589831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 794940 + 794941.

It is an arithmetic number, because the mean of its divisors is an integer number (794941).

2^1589881 is an apocalyptic number.

It is an amenable number.

1589881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1589881 is an equidigital number, since it uses as much as digits as its factorization.

1589881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 40.

The square root of 1589881 is about 1260.9048338396. The cubic root of 1589881 is about 116.7136201029.

The spelling of 1589881 in words is "one million, five hundred eighty-nine thousand, eight hundred eighty-one".