1889361 has 6 divisors (see below), whose sum is σ = 2729090. Its totient is φ = 1259568.

The previous prime is 1889359. The next prime is 1889369. The reversal of 1889361 is 1639881.

It can be written as a sum of positive squares in only one way, i.e., 1838736 + 50625 = 1356^2 + 225^2 .

It is not a de Polignac number, because 1889361 - 2¹ = 1889359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1889369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104956 + ... + 104973.

2^1889361 is an apocalyptic number.

It is an amenable number.

1889361 is a deficient number, since it is larger than the sum of its proper divisors (839729).

1889361 is a wasteful number, since it uses less digits than its factorization.

1889361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209935 (or 209932 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1889361 is about 1374.5402867868. The cubic root of 1889361 is about 123.6246235543.

The spelling of 1889361 in words is "one million, eight hundred eighty-nine thousand, three hundred sixty-one".