1889106 has 8 divisors (see below), whose sum is σ = 3778224. Its totient is φ = 629700.

The previous prime is 1889101. The next prime is 1889117. The reversal of 1889106 is 6019881.

It is a sphenic number, since it is the product of 3 distinct primes.

1889106 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1889101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157420 + ... + 157431.

It is an arithmetic number, because the mean of its divisors is an integer number (472278).

2^1889106 is an apocalyptic number.

1889106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1889106 is a wasteful number, since it uses less digits than its factorization.

1889106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314856.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 1889106 is about 1374.4475253716. The cubic root of 1889106 is about 123.6190615861.

The spelling of 1889106 in words is "one million, eight hundred eighty-nine thousand, one hundred six".