1889064 has 24 divisors (see below), whose sum is σ = 5116410. Its totient is φ = 629664.

The previous prime is 1889053. The next prime is 1889077. The reversal of 1889064 is 4609881.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 66564 = 1350^2 + 258^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13047 + ... + 13190.

2^1889064 is an apocalyptic number.

It is an amenable number.

1889064 is an abundant number, since it is smaller than the sum of its proper divisors (3227346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1889064 is a wasteful number, since it uses less digits than its factorization.

1889064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26249 (or 26242 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1889064 is about 1374.4322464203. The cubic root of 1889064 is about 123.6181454492.

The spelling of 1889064 in words is "one million, eight hundred eighty-nine thousand, sixty-four".