1889946 has 32 divisors (see below), whose sum is σ = 4339200. Its totient is φ = 609120.

The previous prime is 1889831. The next prime is 1889957. The reversal of 1889946 is 6499881.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (135600).

2^1889946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1889946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2169600).

1889946 is an abundant number, since it is smaller than the sum of its proper divisors (2449254).

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

1889946 is a wasteful number, since it uses less digits than its factorization.

1889946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1165 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 1889946 is about 1374.7530687363. The cubic root of 1889946 is about 123.6373814730.

The spelling of 1889946 in words is "one million, eight hundred eighty-nine thousand, nine hundred forty-six".