1889241 has 4 divisors (see below), whose sum is σ = 2518992. Its totient is φ = 1259492.

The previous prime is 1889221. The next prime is 1889267. The reversal of 1889241 is 1429881.

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.

It is a cyclic number.

It is not a de Polignac number, because 1889241 - 2⁶ = 1889177 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1889201) 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, 314871 + ... + 314876.

It is an arithmetic number, because the mean of its divisors is an integer number (629748).

2^1889241 is an apocalyptic number.

It is an amenable number.

1889241 is a deficient number, since it is larger than the sum of its proper divisors (629751).

1889241 is an equidigital number, since it uses as much as digits as its factorization.

1889241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629750.

The product of its digits is 4608, while the sum is 33.

The square root of 1889241 is about 1374.4966351359. The cubic root of 1889241 is about 123.6220062198.

The spelling of 1889241 in words is "one million, eight hundred eighty-nine thousand, two hundred forty-one".