1890056 has 16 divisors (see below), whose sum is σ = 4050240. Its totient is φ = 810000.

The previous prime is 1890041. The next prime is 1890079. The reversal of 1890056 is 6500981.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16820 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (253140).

2^1890056 is an apocalyptic number.

It is an amenable number.

1890056 is an abundant number, since it is smaller than the sum of its proper divisors (2160184).

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

1890056 is a wasteful number, since it uses less digits than its factorization.

1890056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33764 (or 33760 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1890056 is about 1374.7930753390. The cubic root of 1890056 is about 123.6397801038.

The spelling of 1890056 in words is "one million, eight hundred ninety thousand, fifty-six".