1889556 has 24 divisors (see below), whose sum is σ = 4493664. Its totient is φ = 617760.

The previous prime is 1889551. The next prime is 1889561. The reversal of 1889556 is 6559881.

It is an interprime number because it is at equal distance from previous prime (1889551) and next prime (1889561).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889551) 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, 850 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (187236).

2^1889556 is an apocalyptic number.

It is an amenable number.

1889556 is an abundant number, since it is smaller than the sum of its proper divisors (2604108).

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

1889556 is a wasteful number, since it uses less digits than its factorization.

1889556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031 (or 3029 counting only the distinct ones).

The product of its digits is 86400, while the sum is 42.

The square root of 1889556 is about 1374.6112177630. The cubic root of 1889556 is about 123.6288764864.

The spelling of 1889556 in words is "one million, eight hundred eighty-nine thousand, five hundred fifty-six".