1889141 has 4 divisors (see below), whose sum is σ = 1896384. Its totient is φ = 1881900.

The previous prime is 1889131. The next prime is 1889143. The reversal of 1889141 is 1419881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1419881 = 83 ⋅17107.

It is a cyclic number.

It is not a de Polignac number, because 1889141 - 2⁶ = 1889077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1889098 and 1889107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3215 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (474096).

2^1889141 is an apocalyptic number.

It is an amenable number.

1889141 is a deficient number, since it is larger than the sum of its proper divisors (7243).

1889141 is an equidigital number, since it uses as much as digits as its factorization.

1889141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242.

The product of its digits is 2304, while the sum is 32.

The square root of 1889141 is about 1374.4602577012. The cubic root of 1889141 is about 123.6198250231.

The spelling of 1889141 in words is "one million, eight hundred eighty-nine thousand, one hundred forty-one".