1854089 has 2 divisors, whose sum is σ = 1854090. Its totient is φ = 1854088.

The previous prime is 1854067. The next prime is 1854101. The reversal of 1854089 is 9804581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 4489 = 1360^2 + 67^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1854089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1854019) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 927044 + 927045.

It is an arithmetic number, because the mean of its divisors is an integer number (927045).

2^1854089 is an apocalyptic number.

It is an amenable number.

1854089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1854089 is an equidigital number, since it uses as much as digits as its factorization.

1854089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1854089 is about 1361.6493674952. The cubic root of 1854089 is about 122.8504804005.

The spelling of 1854089 in words is "one million, eight hundred fifty-four thousand, eighty-nine".