1889541 has 16 divisors (see below), whose sum is σ = 2860800. Its totient is φ = 1232064.

The previous prime is 1889539. The next prime is 1889551. The reversal of 1889541 is 1459881.

It is not a de Polignac number, because 1889541 - 2¹ = 1889539 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1889496 and 1889505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (178800).

2^1889541 is an apocalyptic number.

It is an amenable number.

1889541 is a deficient number, since it is larger than the sum of its proper divisors (971259).

1889541 is a wasteful number, since it uses less digits than its factorization.

1889541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1539 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1889541 is about 1374.6057616640. The cubic root of 1889541 is about 123.6285493482.

The spelling of 1889541 in words is "one million, eight hundred eighty-nine thousand, five hundred forty-one".