1889454 has 16 divisors (see below), whose sum is σ = 4318848. Its totient is φ = 539832.

The previous prime is 1889453. The next prime is 1889471. The reversal of 1889454 is 4549881.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22452 + ... + 22535.

It is an arithmetic number, because the mean of its divisors is an integer number (269928).

2^1889454 is an apocalyptic number.

1889454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1889454 is an abundant number, since it is smaller than the sum of its proper divisors (2429394).

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

1889454 is a wasteful number, since it uses less digits than its factorization.

1889454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44999.

The product of its digits is 46080, while the sum is 39.

The square root of 1889454 is about 1374.5741158628. The cubic root of 1889454 is about 123.6266519123.

The spelling of 1889454 in words is "one million, eight hundred eighty-nine thousand, four hundred fifty-four".